Vibrating arm
[机] 振动杆
🧩 词语组成解析
[电] 振动; 振动的
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
Well, here's a twenty.
嗯 ，这是二十美元。
Would you take this coat to the cleaner's?
你可以把这件外套送到洗衣店吗？
No one suspected that there might be someone else on the farm who had never been seen.
谁也没想到农场竟会有一个从未露面的人。