Background signal
本底[背景]信号
🧩 词语组成解析
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
Are there any other amenities which you would like to have? For example, a dishwasher, a balcony, a swimming pool or central air conditioning?
你要求有什么设施呢？例如，洗碗机、阳台、泳池或者空调？
He may cheat in checkers, but it beats staring at his face all day long.
他可能在下象棋时做手脚，但是只要一整天盯着他的脸看便会获胜了。
I'm OK. Sam, what are you going to do tomorrow?
我也很好。山姆，你打算明天做什么？