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...
冷水中生物的基础代谢速度要低很多。Basal metabolism is much lower for creatures in cold water.这款相机既坚固耐用，又有超凡的光学性能和快门速度。The camera combines rugged reliability with unequalled optical performance and speed.实验者已经成功控制了心跳的速度和频率。Experimenters h...
腕骨的骨量充足, 前面比侧面宽.Carpus is heavy - boned, wider front than at the side.血清T_4及骨龄 ( 腕骨 ) 、血清铜均正常.T _ 4, bone age ( wrist ) and serum copper content were normal.方法 CRT- C2测7～14岁儿童智商,拍手腕骨 X 线片判定骨龄,标准量具测身高、体重.Methods : Test ...
通常所发现的这种损坏是由于应用比重计不当造成的.Such damage is usually found to have been caused by hydrometer misuse, especially with symthetic separators.用泥浆比重计测出泥浆的密度.Use the mud balance to determinate the mud weight.通过测量密度来测定盐溶液的浓度的液体比重计.An...