Hemocoelom
[医] 围心腔(胚胎), 血腔(昆虫)
🗣️ 情景例句
Get it?
明白吗？
The stain on the dress isn't really noticeable.
那件衣服上的污渍并不很明显。
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。