他们中会有一人看着后面的路，提醒我们注意过来的车辆。One of them would keep a look-out on the road behind to warn us of approaching vehicles.然后,她伸出一只粗壮的手臂拦住后面的人, 队伍停了下来.Then she interposed a stout arm, and the line halted, with six men on the step...
人体蠕形螨是一类小型永久性专性寄生螨,可引起人体蠕形螨病.Human Demodex is a small permanent parasite which can cause human demodicidosis.目的了解山西青年学生蠕形螨的感染情况,研究蠕形螨及蠕形螨病的特性.Objective To study the follicle mite infection in young students of Shanxi.粉尘螨...