Precambrian
n. 前寒武纪, 前寒武纪岩
🗣️ 情景例句
Our boss doesn't give us any slack
我们老板不让我们有一丝松懈。
Happiness takes no account of time.
幸福不觉光阴过。
I don't know. I think he's very old.
不知道。我想他年纪一定很大了。