今天下午第二节课,像往常一样,同学们正在专心致志地誊写作文。教室里静得出奇,连一根针掉在地上的声音都听得见。猛然间,一阵敲门声响起,同学们都警觉地抬起头,不约而同地看着教室门。这时,一群身穿白色大衣的男白大褂(我拒绝叫他们医生)手拿注射器、注射液之类的东西慢慢走进 The second lesson this afternoon, as usual, the students are concentrating on writing essays. The classroom was still astonishingly quiet, even the sound of a needle dropped to the ground was audible. Suddenly, a knock on the door rang, the students looked up alertly, invariably looked at the classroom door. At this time, a group of men's white coats in white coats (I refuse to call their doctors) took their hands in syringes, injections and the like slowly