retroactive
01
追溯的, 溯及既往的
applied or taken effect from a past date or event
语法信息
形态构成
复合词
关系形容词
不可分级
例子
The new tax law is retroactive to the beginning of the year.
新税法追溯至年初生效。
02
追溯的, 有追溯效力的
affecting things past
词汇树
retroactively
retroactive
retro
active
