A backpack is a Viking helmet - neither should be a crowed train.背包像维京海盗的头盔一样,不应该带上拥挤的火车.He squirmed out of the straps of his backpack.他扭动身体，挣开背包的肩带。Looking back, she feels she should never have hung up her backpack.回首过去...
情况早变了，不是谁提个建议就能补救的事儿。The situation is long past the stage when anyone's advice would help.一些权威机构现在不得不采取补救行动。Some authorities are now having to take remedial action.他们邀请杰克和萨拉不过是事后想起的补救办法。They only invited Jack and Sa...
We have the saturated calomel electrode.我们得到饱和甘汞电极.Already the hospitals were worrying about the scarcity of quinine, calomel, opium, chloroform and iodine.各个医院已经在为缺乏奎宁 、 甘汞 、 鸦片 、 哥罗仿、碘酒等等而发愁....
伯尔尼的研究人员在镍铁矿中发现了氖 - 21.And neon - 21 was found in josephinite by the Bern researchers.我不会受人怂0巫鲣轮暗氖?I won't be seduced from my duty.氦和氖为惰性气体.Helium and neon are inert gases....