traffic signs 交通标志
sign language 手语
signs of life 生命迹象
sign in 签到
sign up 注册
A: Are there any signs of rain today?
A：今天有下雨的迹象吗？
B: No, the sky looks very clear.
B：没有，天空看起来非常晴朗。
1) 迹象，征兆
2) 符号，标志
3) 招牌，标牌
4) 签署 (动词单数)
1. 迹象，征兆
2. 符号，标志
3. 签署 (动词)
noun
1. something that indicates that something exists or is happening
2. a symbol or object used to convey information
Synonym: indication, symbol, signal