Nominal diameter
[化] 公称直径
🧩 词语组成解析
🗣️ 情景例句
Tom doesn't have a steady girlfriend at the moment.
汤姆眼下还没有一个已确定关系的情侣。
It's easy to fall into a trap, but hard to get out again.
堕入陷阱易，脱离陷阱难。
The idea of colonising Mars---- a world 160 times more distant than the Moon----
征服火星的计划-一个比月球远160倍的星球