ことがある， 事がある

1. (for something) to have occurred, to have done (something) 2. (for something) to happen on occasion

(某事)发生，已完成(某事)；(某事)偶尔发生

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音读: ズ   ジ  

训读:こと  つか.える  つか.う  

日检:3 grade:3 笔画数:8 部首:6