Nominal diameter
[化] 公称直径
🧩 词语组成解析
🗣️ 情景例句
I don't know.
我也说不上来。
My feeling is that you ought to stay home tonight.
我感觉你应该今晚呆在家。
Some of my acquaintances in the country come up to town once or twice a year to visit the theatre as a special treat.
我在乡村有一些熟人，他们每年进城来看一回或几回戏，并把此看作一种特殊的享受。