Retroactive
[ ,rɛtro'æktɪv ]
其它 Other
adj. 反动的;追溯的;有追溯力的;从以往某天开始生效;
💡 词根助记
retro向后+act行动+ive...的 → 向后走的 → 追溯的
📝 例句
a flock of seagulls
一群海鸥
🌱 联想助记
retro 反 act 作用
📖 牛津释义
retroactive
adj
(fml 文) effective from a past date 溯及既往的 ; 有追溯效力的
The new law was made retroactive to 1 January, ie as if it had come into effect then. 新法令生效日期可追溯到1月1日.
🔁 扩展释义
*[,retrәu'æktiv]a. 反动的, 追溯的, 有追溯效力的【经】 有追溯效力的
📖 同为「GRE」词汇
查看全部GRE词汇 ›🗣️ 情景例句
I'll give them your regards.
我会向他们转达你的问候。
He's acomposer of serious music.I like his music a lot.
他是严肃音乐作曲家，我很喜欢他的音乐。
The inspector then asked the old lady to try to check what was missing by the next day and advised her not to stay alone in the flat for a few nights.
巡官请老妇人在次日之前设法查清丢了些什么，并劝她几夜之内不要独自一人在公寓过夜。