Somatocoel
n. [动]原始体腔(指棘皮动物胚胎时期的体腔)
🗣️ 情景例句
You'll see a stop sign.
会看到有个停车再开标 。
Respect yourself, or no one else will respect you.
君须自敬，人乃敬之。
When he woke up next morning, he discovered that the boat had, in the meantime, travelled to Calais.
第二天早上他醒来时，发现船在这段时间已经到了加。