Prisere
n. (生态学中的)正常演替系列
🗣️ 情景例句
Thanks, Ellen.
谢谢 Ellen。
Wisdom in the mind is better than money in the hand.
脑中有知识，胜过手中有金钱。
and we have only to turn to that extraordinary discovery of echo-location in bats to see a case in which the voice plays a strictly utilitarian role.
我们只要看一看蝙蝠回声定位这一极不寻常的发现，就可以探究一下声音在什么情况下有绝对的实用价值。