我们得在下一站换车去芝加哥.We must change at the next station for Chicago.这辆火车是直达的, 你不必换车.This train is direct, you do not have to change.他不得不在上海匆忙换车.He had to make a quick change at Shanghai....
He timed the election to coincide with new measures to boost the economy...他把选举安排在振兴经济的新政策出台时。The explosive device was timed to go off at the rush hour...爆炸装置被设定在高峰时间引爆。This change has been timed under laboratory conditi...