Calvert
n. 卡尔弗特（姓氏）
🗣️ 情景例句
I hope he's good when we're away.
我希望我们不在的时候他很乖。
No,I don't .
不，我没有。
that given a planet only approximately like our own, life is almost certain to start.
如果设想有一颗行星和我们地球的情况基本相似，那几乎肯定会产生生命。