penicillin

简明释义

英[ˌpenɪˈsɪlɪn]美[ˌpenɪˈsɪlɪn]

n. 盘尼西林（青霉素）

英英释义

单词用法

同义词

反义词

例句

1.Sir Alexander Fleming did not, as legend would have it, look at the mold on a piece of cheese and get the idea for penicillin there and then.

亚历山大·弗莱明爵士并没有像传说中那样，看着一块奶酪上的霉菌，当场就想到了发明青霉素。

2.An endophytic fungus resistance to penicillin was isolated from hyacinthus orientalis by culturing on a preliminary screening medium.

通过在初步筛选的培养基上培养，从风信子中分离出对青霉素的内生真菌抗性。

3.It is especially crucial if the child is allergic to any medicine — penicillin, for example.

如果孩子对药物-例如青霉素过敏，那是特别关键的。

4.The Russians refer to garlic as Russian penicillin.

俄国人将大蒜视为俄罗斯青霉素。

5.I knew there was one cure: penicillin.

我知道有一种有效药：盘尼西林。

6.He reacted well to penicillin.

他对青霉素的反应良好。

7.Penicillin Amendment requires FDA testing and certification of safety and effectiveness of all penicillin products.

《青霉素修正案》要求FDA检验并保证所有青霉素制品的安全性和有效性。

8.Farmers often give penicillin to beef and poultry, and because of this, penicillin has been found in the milk of treated cows.

农民经常给牛肉和家禽注射青霉素，因此这些被注射过的奶牛的奶中含有青霉素。

9.Many people are allergic to penicillin, so it's important to check before prescribing it.

许多人对青霉素过敏，因此在开处方之前检查一下是很重要的。

10.After the surgery, the patient was given penicillin to prevent infection.

手术后，患者服用了青霉素以预防感染。

11.The doctor prescribed penicillin for my bacterial infection.

医生为我的细菌感染开了青霉素。

12.Some strains of bacteria have developed resistance to penicillin.

某些细菌株已经对青霉素产生了抗药性。

13.The discovery of penicillin revolutionized modern medicine.

对青霉素的发现彻底改变了现代医学。

作文

In the world of medicine, few discoveries have had as profound an impact as penicillin. Discovered by Alexander Fleming in 1928, penicillin revolutionized the treatment of bacterial infections and has saved countless lives. Before its introduction, many bacterial infections were often fatal, and there were limited options for effective treatment. The discovery of penicillin marked the beginning of the antibiotic era, which transformed healthcare and significantly reduced mortality rates from infectious diseases.The mechanism of action of penicillin is quite fascinating. It works by inhibiting the synthesis of bacterial cell walls, which ultimately leads to the death of the bacteria. This specific targeting of bacteria while leaving human cells unharmed is what makes penicillin so effective and revolutionary. It is particularly effective against gram-positive bacteria, which are responsible for a variety of infections, including strep throat, pneumonia, and skin infections.The impact of penicillin extends beyond just treating infections; it also paved the way for the development of other antibiotics. Following the success of penicillin, scientists began to explore and develop a range of other antibacterial agents. This has led to a vast arsenal of medications that can combat various types of bacterial infections, making modern medicine more effective than ever before.However, the widespread use of penicillin and other antibiotics has also led to significant challenges, such as antibiotic resistance. Bacteria have the ability to adapt and evolve, and over time, some strains have developed resistance to penicillin. This means that infections that were once easily treatable with this antibiotic are becoming increasingly difficult to manage. As a result, public health officials and medical professionals are emphasizing the importance of responsible antibiotic use and the need for ongoing research to discover new treatments.In addition to its medical significance, penicillin has also had social and economic implications. The availability of effective antibiotics has allowed for advances in surgical procedures, cancer treatments, and organ transplants, all of which would be much riskier without the ability to prevent or treat infections. This has contributed to longer life expectancy and improved quality of life for millions of people around the world.In conclusion, penicillin is not just a word in the medical lexicon; it represents a monumental leap forward in our ability to fight infections and improve health outcomes. Its discovery has changed the course of medicine and continues to influence the field today. As we move forward, it is crucial to remember the lessons learned from the use of penicillin and to continue to seek innovative solutions to combat the challenges posed by antibiotic resistance. The legacy of penicillin serves as a reminder of the importance of scientific discovery and the ongoing pursuit of knowledge in the quest to improve human health.

在医学界，少数发现对人类的影响如此深远，如青霉素。1928年，亚历山大·弗莱明发现了青霉素，它彻底改变了细菌感染的治疗，并拯救了无数生命。在其引入之前，许多细菌感染往往是致命的，且有效治疗的选择有限。青霉素的发现标志着抗生素时代的开始，这一时期改变了医疗保健并显著降低了传染病的死亡率。青霉素的作用机制非常迷人。它通过抑制细菌细胞壁的合成来发挥作用，最终导致细菌的死亡。这种特定针对细菌而不伤害人类细胞的作用，使得青霉素如此有效和革命性。它特别有效于革兰氏阳性细菌，这些细菌是多种感染的罪魁祸首，包括咽喉炎、肺炎和皮肤感染。青霉素的影响不仅限于治疗感染；它还为其他抗生素的发展铺平了道路。在青霉素成功之后，科学家们开始探索和开发各种抗菌药物。这导致了一个庞大的药物库，可以对抗各种类型的细菌感染，使现代医学比以往任何时候都更加有效。然而，青霉素和其他抗生素的广泛使用也带来了重大挑战，例如抗生素耐药性。细菌具有适应和进化的能力，随着时间的推移，一些菌株已经对青霉素产生了耐药性。这意味着曾经可以轻易用这种抗生素治疗的感染正变得越来越难以管理。因此，公共卫生官员和医疗专业人员强调负责任的抗生素使用的重要性，以及持续研究新疗法的必要性。除了医学意义外，青霉素还具有社会和经济影响。有效抗生素的可用性使得外科手术、癌症治疗和器官移植等领域的进步成为可能，而没有预防或治疗感染的能力，这些程序的风险将会更高。这为世界各地数百万人的寿命延长和生活质量提高做出了贡献。总之，青霉素不仅仅是医学词汇中的一个词；它代表了我们对抗感染和改善健康结果的能力的巨大飞跃。它的发现改变了医学的进程，并继续影响着今天的这一领域。随着我们向前发展，重要的是要记住从青霉素的使用中吸取的教训，并继续寻求创新解决方案，以应对抗生素耐药性带来的挑战。青霉素的遗产提醒我们科学发现的重要性，以及在改善人类健康的追求中不断寻求知识的必要性。