I wrote the letter at his dictation.我照他的口述写信.He had had an arm amputated and relied on her to take down his books from dictation.他的一只胳膊截掉了，只能口授书的内容让她来记录。The new secretary takes dictation very well.那位新秘书善于记录口授.She is tran...
Testing VD pathogen through PCR may efficaciously prevent, cure and control VD.利用PCR技术检测性病病原体,可有效的预防, 治疗和控制性病.Results In those pathogen there 52 % is Gram - positive bacteria, there 48 % is Gram - negative bacteria.结果致病菌...
It was a massive, graceless house.这是一间非常难看的大房子。...a graceless pirouette.笨拙的单脚尖旋转She couldn't stand his blunt, graceless manner.她无法忍受他的唐突和粗鲁。a graceless, angry young man粗鲁、愤怒的年轻人...
房子里似乎悄然无声，安静得好像已经没人在住一样。The house seemed muted, hushed as if it had been deserted.哈里继承了这座房子以及相当大的一片土地。Harry inherited the house and a sizeable chunk of land.他的房子是我儿时唯一固定的家。His house was the only settled home I had as a c...
Diamonds have extreme resistance to abrasion.钻石极抗磨损.Erosion of pipes and vessels from abrasion by particles can be serious.由于固体颗粒的磨蚀作用,管子和容器的磨损严重.Abrasion also abets wind erosion.磨损作用也助长了风的侵蚀....