请问the Lost Property Office什么意思?

smoke-free property什么意思 Java中 @Property什么意思? 请问bunk bed是双层床的意思吗?in the office 与at the office 有什么区别? break into the property的意思 serve on the office 什么意思 lost in the echo mv什么意思 My keys are -----the lost and found office.填什么呢? 请问这句话意思和其中的property的意思 英语试题正确抄写注意大小写及标点：lets take the key to the lost property offi Money lost,little lost.time lost ,everything lost什么意思? 英语翻译11 two- thirds of his property was lost in the fire.12 n The sandless remembers the time we lost 什么意思