Wiping arm
[机] 擦臂
🧩 词语组成解析
n. 擦拭；[航]消磁
arm
[ɑrm]
n. 臂;武器;[复数]战事;权力;
vi. 准备（斗争），准备行动（against）;
vt. 装备（防御工事）;准备（攻击或迎击）;配备;防护;
🗣️ 情景例句
This dog is well trained.
这只狗受过很好的训练。
When sorrows come, they come not single spies, but in battalions.
祸不单行。
Yet this is not always the case.
但情况却并不总是这样。