The Labor Department figures underscore the shaky state of the economic recovery.劳工部的数据进一步印证了经济复苏状况的不稳定。These results underscore the value of rescue medications in averting psychotic relapse.这些结果显示了救护性治疗对避免精神病复发的价值.Field...
空气 、 水 、 衣服、及昆虫都会成为疾病的传染媒介.Air, water, clothing and insects are all means of infection.这种疾病是通过昆虫媒介传播的.This disease is spread through the agency of insects.艺术可以用作为宣传的媒介.Art may be used as a vehicle for propaganda....