形容词
中文翻译：额外的
同义词：
['added', 'additional', 'supplementary', 'superfluous']
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 teacher added a new lesson to the curriculum.
老师在课程中增加了一个新课。
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3. I bought an additional set of plates for the dinner party.
我为晚餐派对额外买了一套餐具。