单词：esterification waterproofing
单词：esterification waterproofing 相关文章
There was some breaking news last night out of Manchester, United Kingdom. Eyewitnesses said it appeared to be some sort of explosion. It took place at or near an Arianna Grande concert in Manchester Arena. British police initially said at least 19 p
CNN美国有线新闻2017年7月
Dialog 3 This dialog is a continuation of the above. Bob,Brenda's attorney tries to argue Gail into agreeing a compromise is possible. 此对话是上一个对话的延伸.鲍伯是布兰达的律师,他试着要说服嘉儿妥协. Bob: Huh! You know that just isn't true. A roof
谈判英语
Im in the Kimberley in north Australia. Its a wet season. A thunderstorm is raging. And more rain is probably on its way. Im making my roof at an angle to help the rain run off. Ive put up a basic frame made from thin branches and Im tying it all tog
探索与发现2012年
图片1 waterproof adj. 防水的，不透水的 例句：The corporation will come up with a new technique for waterproofing walls. 该公司将推出防止墙壁渗水的新技术。 watertight adj. 不漏水的，水密的 例句：As soon as the
漫画搞定六级词汇（文本+音频）
Another story we're covering, what's known as the Doomsday Vault has been breached. 下面来看本台播报的下则新闻，知名的末日穹顶（斯瓦尔巴全球种子库）出现缺口。 This is an emergency storage facility for seeds more t
CNN美国有线新闻2017年7月