1. ecology n. 生态学;生态
Eg:
To keep ecology in balance is our duty.
保护生态平衡是我们的职责。
派:
Ecological a. 生态的,生态学的
Ecologist n. 生态学家
2. humanity n. 人类,[总称]人;人性;人道,博爱;[pl.]人文学科
Eg:
We want a clean healthy environment for all humanity.
我们希望拥有一个有益于人类健康的环境。
We should treat animals with humanity.
我们应该以仁慈之心对待动物。
3. span n. 跨距,一段时间 v. 持续,包括;横跨
Eg:
The bridge has a span of 100 meters.
这座桥跨度为100米。
The man had a career which spanned nearly 50 years.
这个人的职业生涯持续了将近50年。
4. extinct adj. 灭绝的;(火山等)不再活跃的;(风俗等)已废弃的,消亡的
Eg:
An extinct species 已灭绝的物种
Dinosaurs have been extinct for millions of years.
恐龙绝种已有几百万年了。
派:
Extinction n. 灭绝;废止
5. parasite n. 寄生生物;寄生虫
Eg:
People on others are usually regarded as parasites.
依靠别人生活的人通常被看做是寄生虫。
派:
Parasitic a. 寄生的
6. insect n. 昆虫,虫
Eg:
He was bitten by an insect in the garden.
他在花园里被虫子咬了一口。
Insect killers
杀虫剂