属于这类物质的有云母 、 瓷器 、 石英 、 玻璃 、 木材等等.To this class of substance belong mica, porcelain, quartz, glass, wood, etc.沥清铀矿和铜铀云母比纯铀的放射性强得多.Pitchblende and chalcolite are much more radioactive than uranium itself.它不能通过云母这样的不透水的物质.I...
She has a microwave, but uses it mainly for defrosting bread.她有个微波炉,不过主要用来解冻面包。The frozen meat should better under the normal temperature nature defrosting.冻肉最好在常温下自然解冻.Its special alcohol formula helps dissolve frost, a...
When it is warm enough, the children souse into the swimming pool.当天气够暖和时, 孩子们就投入到游泳池中.Swimming was one of her greatest satisfactions.游泳是她最大的乐趣之一.There is a big indoor swimming pool in this hotel.这家旅馆内有一个大的室内游泳馆。You have...
pretty的比较级形式是prettier。The comparative of "pretty" is "prettier".在这一单元中, 有许多形容词, 请依据前面所讲,写出他们的比较级.In this unit, are many adjectives. Please write their comparatives.比较级可以通过词形或者语义来实现.The degree of comparison can be express...