Transmission of Norwalk virus is through the fecal - oral cycle.诺瓦克病毒的传染是通过粪口循环.Actually the annular virus is mainly through the fecal oral route dissemination.其实轮状病毒主要是通过粪-口途径传播的.Waste material , especially fecal matter...
Transmission of Norwalk virus is through the fecal - oral cycle.诺瓦克病毒的传染是通过粪口循环.One of the ways the parasite spreads is through fecal matter.寄生虫传播的一种方式是通过排泄物。Waste material , especially fecal matter, that is expelled fro...
They’ve got a wonderful birch in the back garden.他们在后花园有一棵极好的桦树。The growing birch tree exfoliated excess bark.这正成长的桦树剥落了过剩的树皮.His voice, cold and perfectly enunciated, switched them like a birch branch.他的话口气冰冷,一字一板, 有如给了...
活塞上涂了一层石墨以减小摩擦力。The pistons are graphite-coated to reduce friction.润滑油能减小摩擦力.Oil can reduce friction.这种自行车的设计成功地减少了风的阻力和摩擦力。The design of the bicycle has managed to reduce the effects of wind resistance and drag....