巍峨群山环抱村庄.Towering mountains surrounded the village.这座城市为高山所环抱.This town is beset with towering mountains.他们住在群山环抱的村庄里.They live in a village embosomed with hills....
盐水比淡水的传导性强得多。Salt water is much more conductive than fresh water is.铁 、 铜和银,哪种传导性最好?Which is the most conductive: iron, copper or silver?毛纤维热传导性很低, 热量不易散失.Hair fiber is very low thermal conductivity, heat dissipation is ...