Hemocoelom
[医] 围心腔(胚胎), 血腔(昆虫)
🗣️ 情景例句
I'm trying to catch Mary, please.
我想与Mary联络。
What can't be cured must be endured.
不治之症，必须坚忍。
He had been the first to turn a telescope to the sky,
他是第一个把望远镜对准天空的人，