Semaphore arm
[机] 信号机臂
🧩 词语组成解析
semaphore
[['seməfɔ:]]
n. 信号, 臂板信号, 旗语\\nvt. 用信号联络\\nvi. 打信号, 发旗语\\n[计] 信号; 号志; 信号灯
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
Your ideas are good ones.
你的想法很好。
The Senator acceded to his defeat before the end of the election.
那位参议员在选举结束以前就承认落选了。
At night, when you really wish to go to sleep, you rarely manage to do so.
到了夜晚，你真想睡了，却很难入睡。