Repeat the dose after 12 hours if necessary.
如果需要,12小时后再服一剂。
英语解释：an amount of a medicine or a drug that is taken once, or regularly over a period of time (药的)一剂,一服:
,
Repeat the dose after 12 hours if necessary.
如果需要,12小时后再服一剂。
英语解释：an amount of a medicine or a drug that is taken once, or regularly over a period of time (药的)一剂,一服:
,
