1
replacement of sth
表示'替换某物'的动作或过程，后接被替换的对象。
The replacement of the old system improved efficiency.
旧系统的替换提高了效率。
用等同的人或物替代另一个的行为
先理解核心含义，再看它在真实句子里的用法。
用等同的人或物替代另一个的行为
the act of furnishing an equivalent person or thing in the place of another
The replacement of the old system improved efficiency.
旧系统的替换提高了效率。
替代他人或他物的人或物；代替者。
A person or thing that takes the place of another; a substitute.
以等价的人或物替代另一者的行为
the act of furnishing an equivalent person or thing in the place of another
替换某物的行为。
The act of replacing something.
接替他人的人
someone who takes the place of another person
We need to order a replacement for the broken printer cartridge.
我们需要为损坏的打印机墨盒订购一个替换件。
AI contextual example
The team hired a replacement for the manager who retired.
团队雇了一个人来接替退休的经理。
AI contextual example
The replacement of the old heating system saved a lot of energy.
更换旧的供暖系统节省了大量能源。
AI contextual example
the replacement of lost blood by a transfusion of donor blood
用供血者的血液替换流失的血液。
WordNet
表示'替换某物'的动作或过程，后接被替换的对象。
The replacement of the old system improved efficiency.
旧系统的替换提高了效率。
表示'替代某人或某物的人或物'，后接被替代的对象。
They hired a replacement for the retired teacher.
他们雇了一位替代退休教师的人。
常与 of 连用表示'用某物替换另一物'，结构为 replacement of A with B。
The company announced the replacement of diesel engines with electric ones.
公司宣布用电动发动机替换柴油发动机。
Not this
I need to replacement the old part.
Use this
I need to replace the old part.
错误地使用了名词 'replacement' 作为动词，应使用动词 'replace'。
Not this
He is the replacement of me.
Use this
He is my replacement.
表达‘某人的替代者’时，应用所有格或介词 for，而非 of。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
备件
I need to order a replacement part for the broken machine.
我需要为坏掉的机器订购一个备件。
重置成本
The insurance covers the replacement cost of the stolen items.
保险涵盖被盗物品的重置成本。
替补球员
The coach sent in a replacement player after the injury.
受伤后，教练派上了一名替补球员。
代课老师
The replacement teacher will cover the class for a week.
代课老师将代课一周。
备用钥匙
Don't forget to make a replacement key before you lose the original.
在丢失原钥匙之前别忘了配一把备用钥匙。
你是代替艾米丽的人。
You're the replacement for Emily.
你是代替艾米丽的人。
我是替补四分卫。
I'm the replacement quarterback.
我是替补四分卫。
Use replacement naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
Re（再）+ placement（放置）= 再次放置，即替换。
通常用于中性场景，如工作场合（员工接替）、技术维修（零件更换）等。
可数名词
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.