Somatocoel
n. [动]原始体腔(指棘皮动物胚胎时期的体腔)
🗣️ 情景例句
If it's possible, I'd like to arrange a time to come up and see you.
可以的话，我希望能安排时间来看你。
Have you finished yet?
你做完了吗？
I have a letter of introduction here.
我这儿有一封介绍信。