立彬の日本語
220--[tbd]
有無, うむ, ゆうむ
1. existence or nonexistence, presence or absence 2. consent or refusal, yes or no
有无;同意或拒绝,是或否
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排卵の有無を調べる方法はありますか?
tbd
Is there some way to check for ovulation?
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