感冒是上呼吸道的感染。A cold is an infection of the upper respiratory tract.在不干净的水中洗澡，他们可能会受到感染。By bathing in unclean water, they expose themselves to contamination.我们的医生诊断是喉部感染，并且开了一些抗生素和小剂量阿司匹林。Our doctor diagnosed a throat infec...
It was prepared by the reaction of 12 H - dibenzo [ d , g ] [ 1,3 ] dioxocin - 6 - carboxylic acid with acetoxime.由二苯并-1,3-二氧杂 - 环辛烷 -2- 羧酸经两步反应制得, 总收率70%....
Please wash the dishes with the soapy water containing disinfectant.请用含消毒剂的肥皂水洗盘子.I'm not going to wash the dishes, that's your job.我不洗那些盘子, 那是你的事.'Billy, I think it's your turn to wash the dishes,�...
Daniel's few encounters with Gold had been characterized by a laboured politeness.丹尼尔与戈尔德的几次碰面都只是虚礼客套一番。Encounters of like charges act to diminish the coagulation rate.同性带电粒子间的碰撞作用减少凝聚率.She had heard of these encoun...