1.police dog 警犬

例句:A police dog picked up the murderer's scent.
一只警犬嗅出了凶手的气味I4[@#_X~33。

2.talk to 与某人交谈

例句:I could always talk to you about anything in the world.
我总是可以和你谈论世界上的任何事情EZAs=(Rbw;gtF8。

3.respond to 回应

例句:Even very young premature babies respond to their mother's presence.
即使是很小的早产儿也会对母亲的出现做出反应HFFPJKVMaaqQ。

4.on duty 值日;值班;值勤

例句:It's my turn to be on duty.
该我轮值了W6vFXptNUMj1OJIn*KzT。