1、一次的英語單詞是：once。
2、我每天至少要把廚房地板擦洗一次。I have to mop the kitchen floor at least once a day.
3、這些數(shù)據(jù)應該每星期更新一次。The data should be updated once a week.
1、一次的英語單詞是：once。
2、我每天至少要把廚房地板擦洗一次。I have to mop the kitchen floor at least once a day.
3、這些數(shù)據(jù)應該每星期更新一次。The data should be updated once a week.
