Poikilothermy
变温性
🗣️ 情景例句
And your legs don't hurt?
你的腿不酸不痛？
My brother is a member of the faculty.He teaches economics.
我的兄弟是全体教员中的一员，他是教经济学的。
or even the universe itself, must in the nature of things 'wear out'.
甚至宇宙本身，从事物的本质上来说都会磨损掉"。