Celothel
体腔上皮, 间皮
🗣️ 情景例句
Just got back. It's good to see you both again.
刚刚回来。真幸运再次见到你们二位。
I need the change for the stamp machine.
我需要投入自动售邮票机的零钱。
They were expecting their sixth child and were faced with even more pressing economic problems.
第6个孩子即将问世，他们面临着更为严峻的经济问题。