Better that I'd learned to plow or chop cotton like a darky.还不如当初象黑人那样学会犁田、摘棉花呢.A Texas farmer grumbled that he had to plow his field.有位得克萨斯州的农场主嘟嘟囔囔地说,他得耕自己的地.At this time of the year farmers plow their fields.每年这个...
A Texas farmer grumbled that he had to plow his field.有位得克萨斯州的农场主嘟嘟囔囔地说,他得耕自己的地.HEIFER saw an Ox hard at work harnessed to a plow.小母牛看到公牛套着工具辛苦的犁地.At this time of the year farmers plow their fields.每年这个时候农民们都在耕地.Better t...
Celite, alumina, XAD - 7, Kiselgel and Florisil were selected to absorb HRP.不同载体对酶的影响不同.Celite, alumina, XAD - 7, Kiselgel和 Florisil为载体,分别以吸附法制备固定化酶.Bile was separated upon celite columns into its taurine and glycine con...
He has acquired a reputation as this country's premier solo violinist.他已经赢得了该国首席小提琴独奏家的名誉。The club are on the brink of promotion to the Premier League.俱乐部即将晋级超级联赛。The premier occupies the foremost place in the world...
British industry was sheltered from foreign competition by protective tariffs.保护性关税使英国工业免受国际竞争影响.The new tariffs have put a stranglehold on trade.新的关税制对开展贸易极为不利.High tariffs throttle trade between countries.高的关税抑制了国与国之间的...
Breather valve and flame arrestor are indispensable safety devices.可见呼吸阀、阻火器是储罐不要缺少的安全设施.So the railroad will buy the spark arrestor.所以铁路将购买阻火器.The railroad will realize that it can save this $ 100 cost by investing $ 50...