第1个回答 2013-05-27
问保质期一般这么说： What is the expiration date of this medicine? = 这个药的保质期是？
第2个回答 2013-05-27
What is th expiration or
"use by" date of this medicine?
希望对你有帮助哦~本回答被网友采纳
第3个回答 2013-05-27
How long is the shelf life of this medicine?本回答被提问者采纳
第4个回答 2013-05-27
How long until this medicine past its best before date?
O(∩_∩)O谢谢。