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the terminator between [two things]
天文学中指星球表面昼夜分界线。
The terminator between day and night on Mars moves slowly across its surface.
火星上白昼与黑夜之间的明暗界线在其表面缓慢移动。
灭鼠除虫者；除害者
先理解核心含义，再看它在真实句子里的用法。
灭鼠除虫者；除害者
a person who exterminates animals or insects that are considered harmful, especially as a job (killing rats, mice, or insects)
The terminator between day and night on Mars moves slowly across its surface.
火星上白昼与黑夜之间的明暗界线在其表面缓慢移动。
此义同 exterminator（除害者），与常见的“终结者”含义不同。
终止或结束某事的人,尤指(后起用法)刺客或灭除者。
Someone who terminates or ends something, especially (in later use) an assassin or exterminator.
用于标记文档或传输结束的文本字符或字符串。
A text character or string that serves to mark the end of a document or transmission.
月球、行星或其他天体上昼半球与夜半球之间的界线。
The line between the day side and the night side of a moon, planet or other celestial body.
使RNA转录停止并导致mRNA转录本中断的DNA序列。
A DNA sequence that causes RNA transcription to cease and an mRNA transcript to break off.
The city hired a terminator to deal with the rat problem in the old subway tunnels.
市政府雇用了一名灭鼠员来处理旧地铁隧道里的老鼠问题。
After the bakery complained about insects, a professional terminator came to spray the kitchen.
面包店投诉有虫子后，一名专业除虫员来给厨房喷洒药剂。
The farmer called a terminator to remove the rodents that were damaging the crops.
农民叫来一名除害员来清除损害庄稼的啮齿动物。
天文学中指星球表面昼夜分界线。
The terminator between day and night on Mars moves slowly across its surface.
火星上白昼与黑夜之间的明暗界线在其表面缓慢移动。
计算机硬件中，终结器是连接在总线末端以匹配阻抗的装置。
Attach a terminator at the end of the network cable.
在网络电缆的末端连接一个终结器。
指结束或消灭某事物的人或事物，也可指专门清除鼠虫等害物的职业人员。
He was known as the terminator of the town's rodent problem.
他被称为该镇鼠害问题的终结者。
Not this
We should terminator this bad habit.
Use this
We should terminate this bad habit.
terminator 是名词，指“终结者/灭害者”，不能当动词用；表示“终止、结束”这个动作应用动词 terminate。汉语中“终结”既可作名词也可作动词，容易导致此类词性误用。
Not this
The terminator of the contract was unexpected.
Use this
The termination of the contract was unexpected.
terminator 指“执行终结的人或物”（如灭鼠除虫者），不表示“终止”这一行为；表示合同“终止”这一事件应用名词 termination。这是把动作名词与施动者名词混淆。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
灭鼠者
The landlord hired a rat terminator to clean the basement.
房东雇了一名灭鼠者来清理地下室。
害虫防治员
A pest terminator checks every apartment in May.
害虫防治员每年五月检查每间公寓。
除虫专家
The bug terminator sprayed the kitchen and sealed the cracks.
除虫专家给厨房喷了药，并封住了裂缝。
听着，明白吗？那个终结者就在外面。
In this famous scene, Kyle Reese warns Sarah Connor that the Terminator cannot be reasoned with.
在这个著名场景中，凯尔·里斯警告莎拉·康纳，那个终结者是无法讲道理的。
Use terminator naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想动词 terminate（终止）拼写和含义：-or 表执行者，即“终结者”，灭虫就是终止害虫生命。
语域：formal 常见场景：formal writing、pest-control industry 在表示“灭鼠除虫的人/除害者”时，terminator 是比较正式或书面化的说法；日常口语中更常说 exterminator。
复数形式为 terminators。
Dictionary facts from ECDICT, WIKTIONARY.