Somatocoel
n. [动]原始体腔(指棘皮动物胚胎时期的体腔)
🗣️ 情景例句
I have other plans, Robbie.
我另有安排 ，Robbie。
I always have a big wash to do on saturdays.
我星期六总是有一大堆的衣物要洗。
No, I think it's open. Look!
不，我想开着呢！你看。