您要查找的是不是：
- I finally track down the reference in a dictionary of quotation. 我终於在引语词典中查到了那段引文。
- track down the origin; trace to the source fs 追本溯源
- FBI is trying to track down the hacker. FBI正在努力追踪黑客。
- tracking down the origin of civilization 文明探源
- Detectives have finally tracked down the killer. 侦探们最终追捕到了杀手。
- The police have tracked down the escaped convict. 警方已追捕到逃犯?
- I haven't tracked down the source of this rumor. 我还没有追查到这个谣言的根源。
- The police have tracked down the escaped convict . 警方已追捕到逃犯?
- They hope to track down the source of the infection . 他们希望查出这种传染病的根源。
- Were the doctors able to track down the cause of the infection? 医生们能查出感染的原因吗?
- The police have so far failed to track down the attacker. 警方至今未能追捕到攻击者。
- They hope to track down the source of the infection. 他们希望查出这种传染病的根源。
- Her help was instrumental in tracking down the criminal. 她的协助对追捕到罪犯起了相当作用。
- It was not long before I tracked down the lost wallet. 不久我就找到了遗失的钱包。
- I haven't been able to track down the source of the rumour. 我还未能追查出这一谣言的出处。
- track down the origin 溯源
- He was determined to track down the cause of food spoilage. 他决心查出食品腐烂的原因。
- Can you track down the resource of the faked cigarettes. 你们能查出假烟的来源吗?
- A locomotive pounded down the railway track. 一辆机车沿着铁道隆隆地驶去。
- Tracking Down the Origin of the Difficult Problem--Modern Transformation of Traditional Theory of Literature and Art 难题溯源--传统文论的现代转换
