Complement enzymes attack antigens by puncturing the cell membrane.补体酶通过刺穿细胞膜来攻击抗原.Mr Taheri is adept at puncturing received wisdoms.塔赫里擅长打破人们所接受的看法.Methods Puncturing and absorbing cytology inspection method.方法:采用穿刺吸取细胞...
现在不是怯懦的时候。This is no time to be faint-hearted.现在不是怯懦的时候。This is no time to be fainthearted.怯懦的人总是把满腹牢骚向温和的人发泄.Timid people always wreak their peevishness on the gentle....
Billy leaned forward and brushed a speck of dust off his shoes.比利俯身擦掉了鞋子上的一丝灰尘。I've got a speck of dirt on my shirt.我的衬衫上有一点污垢.Not a speck of cloud is to be seen.看不到一星星云丝....
凡是有福分听过你演奏的人, 都觉得你毫无欠缺的地方.No one admitted to the privilege of hearing you, can think anything wanting.她的福分不会因此而减少.Her comforts might not be less on that account.有这么好的闺女,真是你的福分.You are really fortunate to have such a good...
喝河水很容易闹肚子。It's easy to get a tummy upset from river water.这些堤坝限制了河水顺流而下。These dams have restricted the flow of the river downstream.流入湖中的泉水和河水携带了溶于水的硝酸盐和磷酸盐。Springs and rivers that drain into lakes carry dissolved n...
Drivers have ten days'grace to renew their licenses.驾驶员更换执照有10天的宽限期.He says they mistakenly believed the standard licenses they held were sufficient.他说他们曾经误以为有正规执照就足够了。Payments on such licenses are made annually and...