12 modification

modification
n
(a) [U] modifying or being modified 修改; 缓和; 改善; 修饰; 限定
    The design of the spacecraft is undergoing extensive modification. 航天器的设计正大加修改.
(b) [C] instance of this; change or alteration 修改; 缓和; 改善; 修饰; 限定
    The plan was approved, with some minor modifications. 那计画已批准, 仅作了些许更动.