名词
中文翻译：信号
同义词：
['sign', 'indicator', 'indication', 'cue', 'signal', 'indication', "signpost例句：1. The policeman used his flashlight to signal the driver to stop.（警察用他的手电筒示意司机停车。）2. The new policy is designed to signal a change in the company's strategy.（新政策旨在指示公司战略的变化。）"]
例句：
-
1. The policeman used his flashlight to signal the driver to stop.
警察用他的手电筒示意司机停车。
-
2. The new policy is designed to signal a change in the company's strategy.
新政策旨在指示公司战略的变化。
-
3. The traffic light signals when it's time to turn left or right.
交通灯在需要左转或右转时会发出信号。