Squelette
翼形中线(弧线), 剖面中线
🗣️ 情景例句
Your real education doesn't start until you get out into the real world.
直到你踏入现实社会，你才真正开始学习。
What will you do about it?
你会拿这事怎么办？
I did not know the way to my hotel, so I asked a porter.
我不知道去饭店的路该怎么走，于是向一个搬运工打听。