track·er
noun/ˈtrækə(r)/
/ˈtrækər/
- a person who can find people or wild animals by following the marks that they leave on the ground
追踪者；跟踪者；追踪人（或野兽）的人 - The trackers located the rhino and darted it with tranquillizing drugs.
追踪者找到了犀牛，并向它注射了镇静药物。
Oxford Collocations DictionaryTracker is used before these nouns:- dog
- The trackers located the rhino and darted it with tranquillizing drugs.
- a device that follows and records the movements of somebody/something
追踪器 - Electronic trackers show how far the animals range in search of food.
电子追踪器显示动物的觅食范围。
- Electronic trackers show how far the animals range in search of food.
- (also tracker fund)(finance) an investment fund that aims to follow in value a stock market index or group of indexes
追踪器：旨在追踪股票市场指数或一组指数价值的投资基金 - Forget about fund managers and individual shares: choose an index tracker instead.
忘记基金经理和个股：选择指数跟踪器。
- Forget about fund managers and individual shares: choose an index tracker instead.