She apologized with a bad grace.她很勉强地道了歉.Taking his cue from his companion, he apologized for his earlier display of temper.他也学着像同伴那样，为先前发脾气道歉。I apologized repeatedly, but to little avail.我一再道歉，但丝毫没有奏效。Henry has apologiz...
我们想跟孩子们一起制作硫酸铜晶体。We tried to grow some copper sulphate crystals with our children.这些薄薄的晶体传导了大部分的动力。These thin crystals transmit much of the power.那种酸在晶体表面蚀刻出一些小孔。The acid etched holes in the crystal surface....
...the motion picture industry.电影产业Long long ago, we knew the periodic motion of a planet.很久以前, 我们就知道行星的周期运动.They've tabled a motion criticising the Government for doing nothing about the problem.他们提交了一项动议，批评政府在该问题上...