Exocoel
外腔
🗣️ 情景例句
Good.
好极了。
Every day is not Sunday.
好景不常在，好花不常开。
When my mother had died after a tragic accident, he did not quickly recover from the shock and loneliness.
当时我母亲在一次事故中惨死，父亲未能很快从悲痛与孤独中恢复过来。