addition的形容词形式additional；
additionaladj.附加的；额外的；外加的
Additional cream would make it too rich.
再加奶油会让它过于油腻。
The US is sending additional troops to the region
美国正向该地区增兵。
There was additional work to be done before all the troops would be ready.
在全军准备就绪之前，还有一些杂事必须处理。
