Phyllomyzidae
真叶蝇科
🗣️ 情景例句
The good news is that the Levinsons have come by
好消息是Levinson夫妇已来这儿
Who will not keep a penny, shall never have many.
不积少，不会成多。
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。