1
adulterate sth with sth
及物动词，后接被掺杂物，with引出掺入物。
They adulterate the wine with water.
他们往酒里掺水。
掺假；掺杂；使不纯
先理解核心含义，再看它在真实句子里的用法。
掺假；掺杂；使不纯
to make something impure or lower in quality by adding a foreign or inferior substance
They adulterate the wine with water.
他们往酒里掺水。
掺假；掺杂
corrupt, debase, or make impure by adding a foreign or inferior substance; often by replacing valuable ingredients with inferior ones
adulterate
Base
原形
adulterates
3rd person
第三人称单数
adulterating
-ing
现在分词
adulterated
Past
过去式
adulterated
Past participle
过去分词
They adulterate the wine with water.
他们往酒里掺水。
He adulterated the milk to increase profits.
他为了增加利润而往牛奶里掺假。
The company has adulterated its products for years.
该公司多年来一直掺假产品。
规则动词
The company adulterates its products to reduce costs.
这家公司为了降低成本而掺杂产品。
The wine was adulterated with water.
这酒里掺了水。
Adulterating food is illegal and dangerous.
在食品中掺杂是违法且危险的。
及物动词，后接被掺杂物，with引出掺入物。
They adulterate the wine with water.
他们往酒里掺水。
被动语态，强调被掺入有害物质。
The milk was adulterated with melamine.
牛奶被掺入了三聚氰胺。
及物动词，直接跟宾语，泛指掺杂行为。
The company was fined for adulterating its products.
该公司因掺杂使假被罚款。
Not this
The adulterate of the milk was discovered.
Use this
The adulteration of the milk was discovered.
“adulterate”是动词，而此处需要名词形式，应使用“adulteration”表示“掺假”这一行为或状态。
Not this
He adulterated the wine by water.
Use this
He adulterated the wine with water.
动词“adulterate”表示“在…中掺入（杂质）”时，应使用介词“with”引入掺入物，而非“by”。
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Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY.