retroactive

/ˌɹɛt.ɹəʊˈæk.tɪv/ /ˌɹɛ.tɹoʊˈæk.tɪv/

Meanings

adjective

追溯的，既往的

Extending in scope, effect, application or influence to a prior time or to prior conditions

Examples :

"The new law is retroactive to January 1st, meaning it applies to actions taken since that date. "

新法律具有追溯力，生效日期为一月一日，也就是说它适用于从那天起发生的行为。

Related Words

actions noun

/ˈæk.ʃənz/

行动, 行为。

"Example Sentence: "Her kind actions, like helping her neighbor with groceries, showed that she wanted to be a good member of the community." "

她友善的行动，比如帮邻居买菜，表明她想成为社区里的一份好成员。

meaning noun

/ˈmiːnɪŋ/

意思，含义

"The meaning of the teacher's hand gesture was clear: "Pay attention." "

老师手势的意思很明显： “注意听讲。”

applies verb

/əˈplaɪz/

应用, 实施

"to apply cream to a rash"

把药膏涂在疹子上。

conditions noun

/kənˈdɪʃənz/

条件, 状况, 前提。

"The program will run smoothly under these conditions: the computer has enough memory and the internet connection is stable. "

程序在以下条件下可以顺利运行：计算机有足够的内存且网络连接稳定。

effect noun

/ɪˈfɛkt/ /əˈfɛkt/

结果，后果，影响

"The effect of the hurricane was a devastated landscape."

飓风造成的后果是一片狼藉的景象。

application noun

/aplɪˈkeɪʃ(ə)n/ /ˌæpləˈkeɪʃən/

应用, 施用

"The application of this cream should reduce the swelling."

这个药膏的施用应该能减轻肿胀。

taken verb

/ˈteɪkən/

拿走，取得，占领

"My brother took the last cookie. "

我弟弟把最后一块饼干拿走了。

influence noun

/ˈɪn.flu.əns/

影响，影响力

"I have absolutely no influence over him."

我对他完全没有影响力。

scope noun

/ˈskoʊp/

范围，范畴。

"The scope of my project at school is quite broad; it involves researching various aspects of ancient Egyptian history. "

我在学校的项目范围很广，涉及到研究古埃及历史的各个方面。

prior noun

/ˈpɹaɪɚ/

会长，副会长

"The prior of the monastery announced the new schedule for morning prayers. "

修道院的副会长宣布了早祷的新时间安排。

extending verb

/ɛkˈstɛndɪŋ/

延伸，扩大。

"The company is extending its office hours to better serve customers. "

公司正在延长办公时间，以便更好地服务客户。

january proper noun

/ˈdʒænjuəri/

一月

"January is often a cold month."

一月通常是一个寒冷的月份。