Reducing coupling
[化] 缩径管接头
🧩 词语组成解析
n. 减低；减轻体重法, 减肥法
coupling
[['kʌpliŋ]]
n. 联结, 结合, 耦合\\n[计] 耦合
🗣️ 情景例句
It's no big deal.
这没有什么。
You must go easier on yourself; you look exhausted.
你不可以太勉强，你的身体似乎太疲劳了。
When a light passenger plane flew off course some time ago, it crashed in the mountains and its pilot was killed.
不久前，一架轻型客机偏离了航线，在山区坠毁，飞行员丧生。