once daily

• 每日一次

once daily的用法和样例：

例句

1. Put a plaster on the sore once a day.
   把这膏药每日一次敷贴患处。
2. Once per day, the moon priest may reroll one roll that he has just made.
   每日一次，月之祭司能够立即重掷他的上一次掷骰。