Selective signal
[电] 选择信号
🧩 词语组成解析
selective
[si'lektiv]
adj. 精心选择的;选择的，不普遍的;淘汰的;
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
What time would you like to receive the call?
您想何时叫您？
We should weep for men at their birth and not a t their death.
我们应在人降生时流泪，而不该在人死亡时哭泣。
You can buy whatever you need if you have enough money.
钱多了，你需要什么就可以买什么。