| 例句 |
Before leaving this country, you must be in possession of a valid passport.在出国前你必须持有有效护照。I have to have a medical before going abroad.出国前我得做一次健康检查。The soldiers underwent training for three months before the unit went overseas.军队出国前，士兵先接受了三个月的训练。I had a medical checkup before going abroad.我在出国前作了一次体格检查。 |