GbEng
他讲话中时而不自觉地冒出地方方言。 Every now and then he would lapse into the local dialect.
我时而喜欢抽一支大雪茄烟。 I like to smoke a big cigar every now and then.
在树林中走了一个小时而没有见到什么值得注意的东西,这怎么可能呢? How was it possible to walk for an hour through the woods and see nothing worthy of note?
地雷,水雷一种用来摧毁敌军部队、船舰、碉堡或装备的爆破装置,通常安放在隐蔽处,由于接触、靠近或定时而引爆 An explosive device used to destroy enemy personnel, shipping, fortifications, or equipment, often placed in a concealed position and designed to be detonated by contact, proximity, or a time fuse.