我正在等几封重要的信件，可是一封都没到。I am expecting several important letters but nothing has arrived.我们把手探进一袋信件中抽取获奖者。We delved through a sackful of letters to draw the winning name.他们主张采取向四处随意邮寄大量信件的方式。They advocated a scattergun appro...
小鼠中的H -2 同种抗原是最强的组织相容性抗原.In mice the H - 2 isoantigens are the strongest histocompatibility antigens.小鼠肾小管的发育需要有两种分化的细胞.The development of mouse kidney tubules requires two kinds of differentiated cells.他用煤烟提取物诱发了小鼠皮肤癌.H...
I really need to brush up on my English.我确实需要提高我的英语水平.When traveling, it's important to brush up your ability to relay information.旅行时, 重要的是要梳理你的能力,以传递信息.Tony practiced a lot in order to brush up on his technology.托...
Ted hated parties, even gatherings of people he liked individually.特德讨厌各种派对，即便是他自己喜欢的人的聚会也不例外。Following the performances there were chummy gatherings in the drawing room.表演过后会在客厅举行气氛融洽的聚会。His conduct at social gatherings...
She was wearing wool slacks and a paisley smock.她穿着羊毛宽松裤和涡旋花纹宽袍。She wore a pink nylon smock similar to a nurse's uniform.她穿着一件粉红的尼龙罩衫,就象护士工作服一样.The artist's smock was covered in paint.那艺术家的罩衣上沾满了颜料....
He returned from a lunchtime drinking session with his business cronies.中午跟那帮生意上的朋友喝完酒后，他回来了。He was a geologist, rated by his cronies as the best in the business.他是一位地质学家, 被他的老朋友们看做是这门行当中最好的一位.He enjoyed drinking and jes...
If ranching were made more intensive, crops could expand into empty pasture.如果放牧更加密集了, 农作物可以扩展到空的牧场上种植.They cleared large tracts of forest for farming, logging and ranching.他们清除了大片的森林以经营农耕、采伐与畜牧。His bunkhouse vacations a...