penetrate
/ˈpenɪtreɪt/verb
with obj.
1- succeed in forcing a way into or through (a thing)刺入, 戳入; 刺穿, 穿透：
the shrapnel had penetrated his head and chest
那块弹片穿透了他的头和胸膛
no obj. tunnels that penetrate deep into the earth's core.深入到地心的隧道。
1.1
- (of a man) insert the penis into the vagina or anus of (a sexual partner)把阴茎插入（性伴侣的）阴道（或肛门）。
1.2
- infiltrate (an enemy group or rival organization) in order to spy on it为刺探而打入, 渗入（敌人或对手的组织）：
MI5 had been penetrated by Russian intelligence.
军情五处已经被俄罗斯情报机构给渗透了。
1.3
- (of a company) begin to sell its products in (a particular market or area)（公司产品）打进, 打入（某市场或地区）：
Honda have succeeded in penetrating Western motorcycle markets.
本田已经成功地打进西方摩托车市场。
1.4
- succeed in understanding or gaining insight into (something complex or mysterious)洞察, 了解（复杂或神秘事情）：
a magician who seemed to have penetrated the mysteries of nature.
一位好像已经洞察自然界秘密的魔术师。
1.5
- no obj. be fully understood or realized by someone被某人完全理解（或意识到）：
as his words penetrated, she saw a mental picture of him with Dawn.
随着对他的话的理解, 她脑海里出现了他和道恩在一起的画面。
派生词
penetrability
nounpenetrable
adjective词源
mid 16th cent.: from Latin penetrat-'placed or gone into', from the verb penetrare; related to penitus 'inner'.