once a day
US /wʌns ə deɪ/
UK /wʌns ə deɪ/
短语
一天一次
one time during each day
示例:
•
You should take this medicine once a day.
你应该一天一次服用这种药。
•
I try to exercise at least once a day.
我尽量一天一次锻炼身体。
一天一次
one time during each day