Somatocoel
n. [动]原始体腔(指棘皮动物胚胎时期的体腔)
🗣️ 情景例句
If you aren't busy today, how about lunch?
如果你今天有空的话，吃一顿午饭如何？
Please say it again.
请再说一遍。
They offered to pay $10 a pound for the biggest biscuit baked by a listener.
他们愿意以每磅10美元的价钱买下由听众烘制的最大的饼干。