Eigentone
[计] 本征音
🗣️ 情景例句
but he has to work today,
但他今天工作忙，
I've come to say goodbye.
我是来告别的。
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。