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...
Kenworthy detected a certain flatness in the days that followed.肯沃西在接下来的几天中感到有些平淡无趣。Notice the flatness and the rich, red earth.注意那平坦的地势和肥沃的红土地。The unequivocal flatness of the countryside came almost as a shock.那一带一望无际的平...
a pivotal role in European affairs在欧洲事务中的关键作用The Court of Appeal has a pivotal role in the English legal system.上诉法院在英格兰司法体系中起着中心作用。The elections may prove to be pivotal in Colombia's political history.这一选举可能成为哥伦比亚政...