lactescence

简明释义

英[/lækˈtɛsəns/]美[/lækˈtɛsəns/]

n. 乳状分泌；乳汁状；乳白色

英英释义

单词用法

同义词

反义词

例句

1.The formed lactescence is easy for emulsion breaking by cooling or adding emulsion-breakingagent.

所形成的乳状液易于用降温或加破乳剂方法进行破乳。

2.The formed lactescence is easy for emulsion breaking by cooling or adding emulsion-breakingagent.

所形成的乳状液易于用降温或加破乳剂方法进行破乳。

3.The chef noted the lactescence of the cream as he whipped it.

厨师在打发奶油时注意到了其乳白色的变化。

4.The lactescence of the fungus indicates that it is still in a healthy state.

真菌的乳白色表明它仍处于健康状态。

5.In botany, lactescence refers to the milky latex produced by certain plants.

在植物学中，乳白色指的是某些植物产生的乳胶。

6.The scientist observed the phenomenon of lactescence in the milk when it was heated.

科学家观察到加热时牛奶出现了乳白色现象。

7.During the experiment, the lactescence of the solution changed color.

在实验过程中，溶液的乳白色发生了颜色变化。

作文

In the realm of botany and biology, there are numerous fascinating phenomena that capture our attention. One such phenomenon is lactescence, which refers to the milky or creamy appearance of certain plants and fungi when they are cut or damaged. This intriguing characteristic serves various purposes in nature, from deterring herbivores to aiding in reproduction. Understanding lactescence can provide insights into the complex interactions within ecosystems and the evolutionary adaptations of organisms.The term lactescence derives from the Latin word 'lac,' meaning milk, which perfectly describes the appearance of the exudate produced by many species. For instance, several types of mushrooms exhibit lactescence when their caps are broken. The white or yellowish fluid that oozes out is not just for show; it contains compounds that can be toxic to predators, thus serving as a defense mechanism. This adaptation is critical for survival, as it helps to ensure that these fungi can thrive in competitive environments.Moreover, lactescence is not limited to fungi; many plants also exhibit this trait. For example, the rubber tree produces a milky sap known as latex, which is a form of lactescence. This latex serves multiple functions, including protection against herbivores and pathogens, as well as playing a role in wound healing. The ability of these plants to produce latex has significant economic implications, as it is harvested for commercial use in products like rubber and adhesives.In addition to its defensive role, lactescence can also facilitate reproduction in some species. Certain plants rely on the sweet, milky substance to attract pollinators. The presence of lactescence can signal to insects that a flower is a source of nourishment, thereby increasing the likelihood of pollination and subsequent seed production. This symbiotic relationship between plants and pollinators underscores the importance of lactescence in ecological dynamics.Furthermore, the study of lactescence extends beyond mere observation; it invites scientists to explore the biochemical processes involved in its production. Research into the compounds that contribute to lactescence can lead to discoveries about the evolutionary history of these organisms and their adaptations to environmental pressures. Understanding these processes can also inspire innovations in biotechnology and agriculture, as scientists seek to harness the beneficial properties of these natural substances.In conclusion, lactescence is a remarkable phenomenon that showcases the intricate relationships between organisms and their environments. Whether it serves as a defense mechanism, aids in reproduction, or provides valuable resources for humans, lactescence highlights the beauty and complexity of nature. By studying this characteristic, we gain a deeper appreciation for the diverse strategies that life employs to survive and thrive in an ever-changing world. As we continue to explore the wonders of the natural world, the concept of lactescence reminds us of the interconnectedness of all living things and the importance of preserving our ecosystems for future generations.

在植物学和生物学的领域，有许多迷人的现象吸引着我们的注意。其中一个现象是乳白色，指的是某些植物和真菌在切割或损坏时呈现出的乳白或奶油状外观。这一有趣的特征在自然界中具有多种用途，从驱赶食草动物到帮助繁殖。理解乳白色可以提供对生态系统内复杂相互作用和生物体进化适应的深入见解。术语乳白色源自拉丁词'lac'，意为牛奶，这完美地描述了许多物种产生的分泌物的外观。例如，几种类型的蘑菇在其帽子被打破时会表现出乳白色。流出的白色或黄色液体不仅仅是为了显示，它含有可能对捕食者有毒的化合物，因此作为一种防御机制。这种适应对于生存至关重要，因为它有助于确保这些真菌能够在竞争环境中茁壮成长。此外，乳白色并不限于真菌；许多植物也表现出这一特性。例如，橡胶树产生一种称为乳胶的乳白色树液，这是一种乳白色。这种乳胶具有多种功能，包括保护植物免受食草动物和病原体的侵害，以及在伤口愈合中发挥作用。这些植物产生乳胶的能力具有重要的经济意义，因为它被收获用于橡胶和粘合剂等产品。除了防御作用外，乳白色在某些物种的繁殖中也可以促进。例如，某些植物依靠甜美的乳白物质来吸引授粉者。乳白色的存在可以向昆虫发出信号，表明花朵是营养来源，从而增加授粉和后续种子生产的可能性。这种植物与授粉者之间的共生关系突显了乳白色在生态动态中的重要性。此外，乳白色的研究超越了简单的观察；它邀请科学家探索其产生的生化过程。对促成乳白色的化合物的研究可以导致我们发现这些生物的进化历史及其适应环境压力的方式。理解这些过程还可以激发生物技术和农业方面的创新，因为科学家们寻求利用这些天然物质的有益特性。总之，乳白色是一种显著的现象，展示了生物体与其环境之间错综复杂的关系。无论是作为防御机制、促进繁殖，还是为人类提供宝贵资源，乳白色都突显了自然的美丽和复杂性。通过研究这一特征，我们对生命为在不断变化的世界中生存和繁荣所采用的多样化策略有了更深入的理解。当我们继续探索自然界的奇迹时，乳白色的概念提醒我们所有生物之间的相互联系，以及保护我们的生态系统以造福未来世代的重要性。