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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
