Disposal is the act of getting rid of something that is no longer wanted or needed.
近义词
discarding , dumping
双语例句
例：
methods for the permanent disposal of radioactive wastes.
放射性废料的永久清除方法。
例：
waste disposal sites.
垃圾弃置场地。
PHRASE. 习语
at one's disposal
1.?任某人支配 , 尽力为某人提供帮助
If you have something at your disposal, you are able to use it whenever you want, and for whatever purpose you want. If you say that you are at someone's disposal, you mean that you are willing to help them in any way you can.