it is normal for an infant to lose about ten percent of birth weight during the first three or four days of life読み方
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- it is normal for an infant to lose about ten percent of birth weight during the first three or four days of life日本語の意味：生後 3 日か 4 日の間に新生児は出生時の体重が約 10 パーセント減るのが普通である
