硒和铝在生物中含量其微.Selenium and aluminum are found in vanishingly small concentrations within living things.除了硒和汽相沉积的锗和硅之外, 玻璃至少是二原子的.Apart from selenium and vapour - deposited germanium and silicon, glasses are at least diatom...
They've set off for the long trudge home.他们出发了,长途步行回家.He wished he was not in a room so far from the bathroom. There was nothing for it but a long trudge through the house.他真希望自己的房间离卫生间不那么远，没别的办法，只能走上长长的一段穿过屋子。It wa...
Her brother was an accomplished linguist.她的哥哥能熟练地说好几种语言。She's an excellent linguist.她精通数国语言。I used to be a linguist till I become a writer.过去我是个语言学家,后来成了作家....