O.d.
abbr. oute rdiameter 外径
🗣️ 情景例句
What is language for?
语言到底是用来干什么的？
Who wrote that composition?
那个作品是谁写的？
Sorry, I haven't. Why don't you ask Jim.
对不起，我没见。你为什么不去问问吉姆呢？