best when used by Jan.18,2008这个是说在1月8号之前用好还是1月8号后用最好?

BEST WHEN USED BY: 120210/146 02/12美国保健品上的 best when used by 020911/02 02/13译成中文是什么意思? BEST IF USED BY ARP 20 BEST IF USED BY 05 DEC12 JH best when used by Jan.18,2008这个是说在1月8号之前用好还是1月8号后用最好? best by by used by 帮我看看这个英文是什么意思美国进口的食品包装上BEST IF USED BY：MAY3114T2 04 I used to travel by air often when I was a boy. 11.Mary ______ to school by bike when she lived in China.A.used to go B.was used to goC.was used going 美国进口的食品中,保质期一栏标明：best if used by FEB 14 10 N 14:23 I used to live in China when I was a kid,which was my best and precious memory. be used by Lot No/Best By do the best by best by :12 used for 和used by的用法 解道英语题!谢谢!说明原因!. The children everything by themselves when they are alone at home. A. used to doing B. are used to do C. are used to doing D. used to do