动词
中文翻译：信号
同义词：
['signal', 'indicator', 'indication', 'signify', 'signalize']
例句：
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1. Thetraffic light is signaling the pedestrian to cross the street.
交通灯正在指示行人过马路。
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2.The new policy signals a change in government priorities.
新政策预示着政府优先事项的改变。
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3. The company's logo serves as a strong signal of its brand identity.
公司的商标是其品牌身份的强烈象征。