形容词
中文翻译：额外的
同义词：
['extra', 'additional', 'supplementary']
例句：
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1. We needto add some more vegetables to our salad.
我们需要在沙拉里加一些蔬菜。
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2.The additional expenses will be paid by the company.
额外的费用将由公司支付。
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3. They added a new feature to their product line.
他们为他们的产品线增加了一个新功能。