Somatocoel
n. [动]原始体腔(指棘皮动物胚胎时期的体腔)
🗣️ 情景例句
Excuse me, Mr. Carlson,
对不起 ，Carlson先生，
Wash a dog, comb a dog, Still a dog, remains a dog.
本性难移。
I mean powder that is made from fish, blood and bone.
我是指用鱼、血和骨头制成的粉末。