1.carry out 执行
例句:Three students were chosen to carry out the experiment.
挑选了三名学生进行这项实验
。2.evasive action 躲避动作
例句:When a device fails, operations first needs to take evasive action.
设备一旦出现故障,操作首先需要执行规避措施
。3.head-on crash 迎头相撞
例句:Reports say the accident was a head-on crash which happened in the early hours of the morning.
记者报道两辆车于今天上午早些时候在高速路上头对头发生的相撞
。4.single lane 单行道
例句:As an interim measure a single lane would be paved, adhering to one side of the road for a few milesand then switching to the other side.
作为一个过渡的办法,车道都是单线的,司机靠着路的一侧开上几英里,再切换到路的另一侧
。