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科技英语动词用法

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By Anonymous | 2014年05月06日
分类 文法与写作 | 8,386 浏览次数
均分: 5
我在使用 “was”和 “were”的时候遇到了问题: 1. Fuel-stained soil and street waste was discovered south of the site.(燃料土和街道废物在地点南面被发现了。) 2. During the building excavation, 500 kg of soil were removed from the... 阅读更多