Somatocoel
n. [动]原始体腔(指棘皮动物胚胎时期的体腔)
🗣️ 情景例句
What are the flowers for, Richard?
究竟为什么送花 ，Richard？
It's too expensive for me.
对于我来说太贵了。
Are you holding the ladder, Jim?
你扶住了梯子吗，吉姆？