track down造句
He was determined to
track down the cause of food spoilage.
他决心查出食品腐烂的原因.
Car manufacturers stamp a vehicle identification number at several places on new cars to help
track down stolen vehicles.
汽车制造商在新车的好几处地方打上车辆识别号码，以便于追查被偷车辆。
There have been many attempts to
track down the putative Loch Ness monster.
人们为追踪假定存在的尼斯湖水怪做了许多努力。