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を
1. indicates direct object of action
2. indicates subject of causative expression
3. indicates an area traversed
4. indicates time (period) over which action takes place
5. indicates point of departure or separation of action
6. indicates object of d...
表示动作的直接对象；表示经过的场所；表示离开或分开的点
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思いつく， 思い付く， おもいつく
1. to think of, to hit upon, to come into one's mind, to be struck with an idea
2. to remember, to recall
想到、突然想到；在脑海中浮现、突然产生一个想法；记住，回想