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....
不论是司炉还是我本人,都忙得无片刻闲暇去理会自己的恐慌不安的心绪了.Neither that fireman nor I had any time to peer into our creepy thoughts.按通常的铁路惯例,机车备有司机和司炉室.A cab was provided for driver and fireman, as in normal railway practice.司炉们烧起火来象英雄一样不顾疲劳.His...