This little ball of gold weighs a quarter of an ounce.这个小金球重0.25盎司。The gemstone is 28.6 millimetres high and weighs 139.43 carats.这块宝石高28.6毫米，重139.43克拉。She knows how your brother's disappearance weighs upon you.她知道你...
生物膜由两层D磷脂分子组成.Biological membranes are composed of two layers of phospholipid molecules.水本身会使生物膜附近的化学势发生变化.Water changes its chemical potential near biomembranes.目的: 研究多糖及胶原蛋白天然生物膜的细胞毒性.Objective : To evaluate cytotoxici...
This sugar cane is quite a sweet and juicy.这甘蔗既甜又多汁.The sugar-cane is taken to the factory where the juice is crushed out.甘蔗被运到工厂中去榨汁。He wore a grey suit and leaned heavily on his cane.他身穿一件灰色西装,吃力地拄着拐杖。Many farmers are ...