modification /mɒdɪfɪ'keɪʃ(ə)n/ n. 修改;改进;改变击收听音频跟读 ↓↓↓ ↓↓↓ ↓↓↓
英语解释:Considerable modification of the existing system is needed.
需要对现有的系统进行相当大的改进。
the act or process of changing sth in order to improve it or make it more acceptable; a change that is made 修改;改进;改变