英:/'ˈpennaɪf/ 美:/'ˈpennaɪf/
复数:penknives
n. 小刀，袖珍折刀
He took out a penknife and gave it to the young man next to him.
他拿出了一把袖珍小刀递给了旁边的年轻人。
The mountain enthusiast carried a penknife with him in case he needed it.
这位登山爱好者随身携带袖珍小刀以备不时之需。
Minors are prohibited from carrying penknives on any occasion.
未成年人禁止在任何场合携带折叠小刀。
He had a penknife with a spike for getting stones from a horse's hoof, and I helped him to carve my initials.
他有一把用来从马蹄上取石头的带钉小刀，我帮他刻上了我名字的首字母。
The Russian guards were interested in my wedding ring and took away the roubles that I had, and also my belt, my penknife and my watch.
俄罗斯警卫对我的婚戒很感兴趣，抢了我的卢布，还有我的腰带、小刀和手表。
Even the railroads seem only scratched in with a penknife.
就连铁路似乎也只是用铅笔刀划开的。
His appetite for inventions went back to his childhood when he had devised a fork and spoon that could fit into a penknife.
他对发明的兴趣可以追溯到他的童年时代，那时他发明了一种可以放入小刀的叉子和勺子。
Find me a penknife, can you, please?
帮我找一把铅笔刀可以吗？
n.|lancet;小刀，袖珍折刀
Penknife（折叠小刀）是一种便携式刀具，其刀片可折叠收纳入柄内，设计初衷为方便携带和安全存放。该词由"pen"（羽毛笔）和"knife"（刀具）组合而成，源于16世纪欧洲文人用此类刀具削尖羽毛笔的历史用途。现代penknife主要功能包括：
在户外运动领域，符合国际登山协会标准的penknife被列为基础装备，要求刀片具备锁定装置（数据来源：Mountaineering Scotland）。词源学研究显示，"penknife"在莎士比亚戏剧《皆大欢喜》中已出现文字记载（文献支撑：Merriam-Webster Dictionary）。
以下是关于单词"penknife"的详细解释：
"penknife"指一种可折叠的袖珍小刀，通常带有单刃或多刃设计，便于随身携带。其名称源于早期用途——削尖羽毛笔（quill pen）。现代功能已扩展至切割纸张、开包裹等日常用途。
根据和6的示例，需注意：
可通过查看权威词典的完整释义及更多例句。
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