track
搭配:keep track of 与……保持联系
典型例句:Police keep track of the kidnapper using electronic surveillance equipment. 警方利用电子监视设备跟踪绑架者。
真题例句: In the past couple of weeks a quarrel has illustrated the value to advertisers of such fine-grained information:Should advertisers assume that people are happy to be tracked and sent behavioral ads? [2013阅读 ...... (共374字) [阅读本文]>>