Derricks are scattered here and there on the boundless plain.在一望无际的原野上散布着一座座井架.Lofty derricks dot the landscape in an oil field.高耸的井架点缀着油田的景色.Steel derricks rose to meet our eyes as we drew nearer to the oil fields.我们快到油...
The ice is thawing.冰在融化.My numbed feet, thawing out , ached painfully.这工夫,我才感觉到冻得麻木的双脚开始发痛.It had been snowing and thawing and the streets were sloppy.天一直在下雪,雪又一直在融化,街上泥泞不堪.The solution is degassed by alternately freezin...