Semaphore signal
臂板信号；手旗信号；横杆信号
🧩 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
signal
['sɪgnl]
n. 信号，暗号;预兆，征象;动机;导火线;
vt. 向…发信号;用动作（手势）示意;以信号告知;
vi. 发信号;
adj. 显著的，优越的;暗号的，作信号用的;
sign记号，信号+al表名词 → 信号
🗣️ 情景例句
Congratulations!
恭喜你
What is happening out there?
外面发生什么事情？
In place of the great trees which had been growing there for centuries patches of green had begun to appear in the blackened soil.
一片片的绿草开始出现在这片烧焦的土地上，代替了多少世纪以来一直生长在那里的参天大树。