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
I'm kind of boring. I really don't have many hobbies.
我这个人没什么劲。 我真的没什么爱好。
My aunt will come to live with me for some days.
我阿姨会来和我住一些日子。
People who work in offices are frequently referred to as white-collar workers' for the simple reason that they usually wear a collar and tie to go to work.