10. correlate ①vt. to put or bring into causal, complementary, parallel, or reciprocal relation 使相互关联
e.g.: I cannot correlate these two pieces of information.
② vi. to be related by a correlation 和……相关
e.g.: The results of this experiment do not correlate with the results of earlier ones.
③adj. related by a correlation, especially having corresponding characteristics 相关的，关联的
e.g.: The diameter and the circumference of a circle are correlate. 圆的直径与圆周有相互关系。
④n. either of two correlate entities; a correlative 相关一方，两个相对应的方面的任一方
e.g.: Scientific research requires a careful study of all the correlates.
必背搭配 correlate with
派生词汇 correlatable adj. 相关的，可对比的 correlated adj. 相关的
11. predator n. animal that kills and eats other animals 掠夺者，食肉动物
e.g.: Tiger is predator.
派生词汇 predatory adj. 食肉的，掠夺性的
12.necessitate vt. to make sth necessary 使成为必要
e.g.: It’s an unpopular measure, but the situation necessitates it. 这是不得人心的办法，但是形势要求这样做。
派生词汇 necessity n. 必要性，需要;[常用复数]必需品 necessitation n. 迫使，被迫 necessitous adj. 紧迫的;穷的，贫困的
13. colossal adj. very large 巨大的
e.g.: This is a colossal building.