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
They were ... they were ... they were average.
他们……他们……他们是普通身材。
My brother and I used to go a lot of places together.
我的兄弟和我过去常一起去很多地方。
Have you had a wash yet?
你洗过脸了吗？