When the dog entered the stage, he upstaged the actress.这只狗一上台, 顿时抢了女演员的戏.A brilliant young comedian upstaged the star.一位出色的年轻喜剧演员抢了这明星的镜头.He had a younger brother who always publicly upstaged him...他有一个弟弟，总是公然抢他的风头。She ...
绝缘体的原子把电子抓得很牢.The atoms of an insulator hold their electrons very tight.晶体可以是绝缘体, 半导体, 或导体.Crystals may be insulators, semiconductors, or conductors.由绝缘体隔开任何两个导体就组成电容器.Any two conductors separated by an insulator are sai...
The extrusive PVC rigid sheet of the company has very high quality.该挤压聚氯乙烯僵化的资产负债表,该公司的质量非常高.A variety of geological environments are extrusive or intrusive rocks.不同的地质环境形成喷出岩或侵入岩.Contrast the formation of intrusive and ...