Arcticization
低温准备
🗣️ 情景例句
It's common practice.
这是惯例。
I wonder what makes you think so.
我不知道是什么使你这样想。
In man's early days, competition with other creatures must have been critical.
在人类早期，人类与其他生物的竞争一定是必不可少的。