Mesectoblast
中外胚層, 外中胚層
??? 情景例句
I am looking forward to seeing you again.
我期待著能再次見到你。
Dear, you'll be home right after work, won't you?
親愛的，你做完工作會直接回家是嗎？
I was waiting for the sound of the other shoe!
我一直在等待另一只鞋落地的響聲！