1
penetration of sth
后接名词，表示对某事物的穿透或渗透。
The penetration of the market was achieved through aggressive marketing.
通过积极的营销实现了市场渗透。
对敌军领土的侵入或渗透。
先理解核心含义，再看它在真实句子里的用法。
对敌军领土的侵入或渗透。
An attack that penetrates into enemy territory.
The penetration of the market was achieved through aggressive marketing.
通过积极的营销实现了市场渗透。
多用于军事语境。
穿透；渗透
n. an attack that penetrates into enemy territory；n. clear or deep perception of a situation；n. the act of entering into or through something
The penetration of the needle through the leather was surprisingly easy.
针穿过皮革的过程出奇地容易。
The company achieved deep market penetration in the first year.
该公司在第一年就实现了深入的市场渗透。
His penetration of the author's intentions revealed hidden meanings.
他对作者意图的洞察揭示了隐藏的含义。
后接名词，表示对某事物的穿透或渗透。
The penetration of the market was achieved through aggressive marketing.
通过积极的营销实现了市场渗透。
强调进入或渗透到某内部。
The army's penetration into enemy territory was swift.
军队迅速渗入敌方领土。
表示穿透某物体。
The penetration of the needle through the skin is painless.
针穿透皮肤时无痛。
Not this
The arrow penetration the target.
Use this
The arrow penetrated the target.
名词'penetration'被误用作动词；正确的动词形式是'penetrate'，表示'穿透'的动作。
Not this
The penetrations of the market were slow.
Use this
The penetration of the market was slow.
在此语境中'penetration'为不可数名词，指'市场渗透'这一抽象概念，不应使用复数形式。
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Revisit a common error or keep this word in your review list.
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT.