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。With eleven thousand employees, it's very difficult to keep track of them all.对于一支1.1万人的员工队伍，很难及时了解到所有有人的动态。Keep track of ta...
He introduced radio to the school to increase the children's awareness.他在学校开通广播，以提高孩子们的警觉性。In 1971, the 1p and 2p decimal coins were introduced in Britain.英国于1971年开始使用十进制的1便士和2便士硬币。She showed me round and introduced...
The derelict soldier shirked his duties.这名疏忽的士兵推卸了他的责任....a forsaken church and a derelict hotel.废弃的教堂和无人居住的旅馆Derelict inner - city sites could be sold off cheaply for housing.荒废的内城区可以廉价出售用来修建房屋.But, if PSC is censorial ...