Eupelmidae
旋小蜂科
🗣️ 情景例句
How do you stay so young-looking?
你怎样保持如此年轻的？
To push him down
把他推倒
It was from the study of these that so much was learnt about the interior of the earth.
正是从这两种波的研究中，我们可以了解到地球内部的许多情况。