同性的电荷互相排斥.Two like electric charges repel each other.我们时常把电荷的流动比喻为水的流动.We often compare the flow of electrical charges to the flow of water.这是因为唱片和麦片会有相反的电荷.This is because the record and the cereal have opposite charges...
把纸牌正面朝下放在桌子上，然后切牌。Place the cards face down on the table and cut them.不知您能否为我找一副纸牌？I wonder if you could find me a deck of cards?西蒙是纸牌高手。Simon's a whizz at card games....
The birds are chirping merrily.鸟儿在欢快地鸣叫着.The birds,chirping relentlessly,woke us up at daybreak.破晓时鸟儿不断吱吱地叫,把我们吵醒了。Today, her chirping enthusiasms did not irritate Lily.今天她在丽莉耳旁叽叽喳喳说的那些热情话并没惹丽莉发火.The birds are chirping.小...
Photographs of the crime scene began to arrive within twenty minutes.不到20分钟，犯罪现场的照片就开始传来了。Our paintings and photographs are of sentimental value only.我们的画作和照片仅有纪念价值。Lining a corridor is a wall of photographs spanning his...
Variation of helices based on dihedral angels and residue composition.不同的螺旋是依据二平面夹角与残基组成来决定.This is caused by the dihedral effect of the wings ( roll due to yaw ).这是由二面角的翅膀效果 ( 滚动由于偏航 )....