避蚊胺和其他能驱赶昆虫的化学药品也能阻止蚊子的叮咬.DEET and other chemicals that against insects can keep mosquitoes from biting.驱蚊剂含有避蚊胺节制地暴露皮肤时,你是在户外.Apply insect repellent containing DEET sparingly to exposed skin whenever you are outdoors.你应...
Why not wipe the slate clean and start all over again?为什么不洗心革面、从头来过呢？The sea was the colour of slate.大海的颜色像石板。The nominating committee laid its slate before the board.提名委员会把候选人名单提交全体委员会讨论....
必须小心使用这种仪器,不能称过重的东西.The care of such instruments cannot be stressed too much.负荷过重的心脏,可能承担额外的压力负荷或容量负荷.The overburdened heart may be carrying an extra pressure or volume load.我们在使用我们既属有限而又负担过重的空军时,必须考虑到一切意外事件.We have to c...