形容词
中文翻译：额外的
同义词：
['added', 'extra', 'supplementary例句：1. We need to add some more salt to the soup.（我们需要在汤里加一些盐。）2. The additional cost of the hotel was $50.（酒店额外的费用是50美元。）3. She added a few new items to her shopping list.（她在她的购物清单上增加了几个新项目。）']
例句：
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1. We need to add some more salt to the soup.
我们需要在汤里加一些盐。
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2. The additional cost of the hotel was $50.
酒店额外的费用是50美元。
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3. She added a few new items to her shopping list.
她在她的购物清单上增加了几个新项目。