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矢印, やじるし
1. arrow (symbol)
2. (romantic) interest (for a certain person), direction (of one's attention, etc.)
箭头(符号);(对某人的浪漫的)兴趣,(注意力的)方向
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信号機, しんごうき
1. traffic light, traffic signal
2. signal (mechanism), semaphore (apparatus)
交通信号,红绿灯;信号(机制),信号装置