Nothing but a great many epithelial cells was observed in the stain.染片中只观察到有大量的上皮细胞....a black stain.黑色污迹A dark red stain was spreading across his shirt.一块深红色的污渍正在他的衬衫上渗开。PAS stain Histoplasma capsulatum infection in the...
A dark red stain was spreading across his shirt.一块深红色的污渍正在他的衬衫上渗开。She couldn't rub off the blood stain on her blouse.她没法将上衣的血渍擦掉.The damp rising from the ground caused the walls to stain badly.地面上升起的湿气使墙壁的颜色变得很难看....
老人撩起开襟毛衣挠了挠身体的一侧。The old man lifted his cardigan to scratch his side.我戴着假睫毛，穿着小了两号的毛衣。I was wearing false eyelashes and a sweater two sizes too small.她身穿黑色便裤和白色毛衣。She was wearing black slacks and a white sweater....
这对夫妇大约两年前相遇，很快就成了知交。The couple met about two years ago and soon became firm friends.她不知交了什么好运, 赢了一大笔钱.By some freak of fate, she won an enormous sum of money.他渴望找到知交。He felt a longing for the familiar....
The feeding of dairy cows has undergone a revolution.乳牛的喂养方法发生了巨大的改变。Five cows graze serenely around a massive oak.5头奶牛在一棵大橡树旁悠闲自在地啃着青草。The gadget is used to artificially inseminate cows.这个器具被用来为母牛实施人工授精。...
The abnormality mitral stenosis was in myocardium, not in the valve.二尖瓣狭窄的病变是在心肌而不是在瓣膜.Valvular heart disease, usually aortic and mitral insufficiency, can complicate a variety of systemic diseases.瓣膜性心脏病, 以主动脉瓣及二尖瓣闭锁不全为...