The valence atom of an alkali - metal atom has two states.碱金属原子的价原子具有两种能态.Such detergents do not yellow the wool as alkali tends to do.这种洗涤剂不会象碱那样使羊毛发黄.All the alkali metals have a single s - electron outside a closed sh...
His speech was difficult to understand, his signature shaky and unrecognizable.他的演说很难听懂，他的签名颤颤巍巍地无法识别。The unrecognizable remains of a man had been found.一具无法辨认的男性尸体被发现了。He was unrecognizable without his beard.他刮掉胡子，无人认得出...
He righted the yacht and continued the race.他调正了快艇，继续比赛。The mistake is being righted.错误正在得到纠正.He felt confident that his injustices would be righted.他相信他的冤屈会受到昭雪的.He righted the yacht and continued the race...他调正了快艇，继续比赛...