additional，extra，supplementary
这些形容词均有“另加的，额外的”之意。
additional由名词additon派生出的形容词，指在原有基础上添加上去的。
extra指不包括本身而额外加上去的部分。
supplementary由名词supplement派生而来，指对原有的追加或补究。
- 词义辨析
- 双语例句
1、
The supplementary reports on specific subjects may be compiled additionally if necessary.
并得视实际需要,增编专题研究报告.
互联网
2、
There is a supplementary water supply in case the rain supply fails.
万一主水源断了,我们另外有供水的地方.
《简明英汉词典》
3、
A supplementary volume has been published containing the index.
附有索引的增补卷已经出版.
——《简明英汉词典》
4、
Supplementary budget just to avoid more serious economic deterioration.
追加预算只是避免经济恶化得更严重.
——期刊摘选
5、
Supplementary oxygen is rarely needed in pressurized aircraft.
密封的飞机内很少需要补充氧气。
——柯林斯例句
6、
He says they also will need supplementary food and firewood.
他说,他们还将需要得到食品和柴禾的补给.
——期刊摘选
7、
The new students received supplementary instruction.
新生接受补课.
《现代英汉综合大词典》
8、
The Mann - Elkins Act of 1910 had become legislation comprehensive in character, not merely supplementary.
1910年的曼 - 埃尔金斯法成为一项综合立法, 不仅仅是补充而已.
辞典例句
9、
There is a supplementary water supply in case the main supply fails.
万一主水源断了，我们另外有供水的地方。
辞典例句
10、
Through similar and supplementary action, polygenes can have important effects on total variability.
通过相同的和添加的作用, 多基因可以对总的变异起重大的影响.
辞典例句
11、
Methods: Use multimedia software as a supplementary means in experimentation teaching.
方法: 在生物药剂学实验教学中采用多媒体课件辅助教学,并观察其效果.
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12、
In this plant oil is supplementary to coal as fuel.
在这个工厂,原油是煤的补充燃料.
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13、
Your company should make a supplementary payment for stamp tax.
请您公司补缴印花税.
英汉 - 翻译样例 - 口语
14、
Retail sales can only be your supplementary business.
零售只能作为补充.
商贸英语会话
15、
She satisfies the work of supplementary property.
她满足于辅助性的工作.
辞典例句
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