c. 1600, from supplement (n.) + -al (1). Related: Supplementally. Generally "added to supply what is wanted," whereas supplementary historically tends toward "added as something secondary or supernumerary."
实用例句
1. Large supplemental doses of vitamin E can slightly raise blood pressure.
大剂量补充维生素E可能会造成血压偏高。
来自柯林斯例句
2. You'll probably be able to buy supplemental insurance at an extra cost.
再额外多付一些钱的话，你或许就能买到附加险。
来自柯林斯例句
3. There can be any number of supplemental personas associated with an interface.
一个界面的补充人物角色可以有任意多个.
来自About Face 3交互设计精髓
4. User personas that are not primary or secondary are supplemental personas.
既不是首要人物角色,也不是次要人物角色的用户人物角色都是补充人物角色.
来自About Face 3交互设计精髓
5. Many hard - hit areas have supplemental benefits that last another 12 months.
