An atom itself is a complete whole, with its electrons, protons and neutrons and other elements...一个原子本身就是一个完整的整体，包括电子、质子、中子及其他元素。The neutrons and protons form the core of the atom.中子和质子构成了原子核.A substance donates protons...
Books are now printed in braille.很多书现在都用盲文印.Braille typewriters and electric embossing machines are also used.布拉耶盲字可以使用打字机,近来还有电动凸版机的发明.Braille used raised dots, just as in night writing.在代码中,布莱叶使用突起的小点, 就像“夜间文字”中所用的小点一样...
Of scuds metals conduct heat most quickly. They are the best heat conductors.在所有的固体中金属传热最快, 它们是最好的导热体.Launch Scuds – Fires many, inaccurate Scud missiles at the target ( costs per use )射飞毛腿:朝目标射很多打不准的飞毛腿 ( 使用要钱 )...
所得到的剩余色差叫做二次光谱.The resulting residual chromatism is known as secondary spectrum.这时消除色差具有头等重要性.The removal of the chromatic aberration is then of primary importance.由此而产生的缺陷叫做色差.The resultant defect is known as chromatic ...
导热系数随体积密度增加而降低,在单位面积重量相同条件下,膨松度高的非织造布.The heat conduction coefficient decreases with increasing the bulk density of nonwoven fabrics.复卷线速度无级调控,卷纸膨松度可控制.Stepless regulates and controls linear velocity of rewinding to mate...
It vexed me to think of others gossiping behind my back.一想到别人在背后说我闲话，我就很恼火。She can spend a whole day gossiping with her neighbours.她能一整天都跟邻居们说长道短.Her continual gossiping chased her friends away.她没完没了的闲话把朋友们都赶走了....
Both of my sisters moved even farther away from home.我的两个姐姐都搬得离家更远了。I can't see any farther than the next six months.6个月以后的事情我就无法预见了。She set her glass down and slid farther under the covers.她放下杯子，钻进被子里。...