portcullis

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数据源: ai_enrichment
portcullis 是一种中世纪城堡或要塞入口处的重型可升降铁栅门,用于防御入侵者。

用法要点

句型搭配

portcullis 通常作为名词使用,描述城堡的防御结构,常见于被动语态或历史叙述中,强调其功能性。

• The portcullis was lowered to block the entrance.
• They raised the portcullis to allow entry.
• A portcullis protected the gatehouse.

介词用法

portcullis 常与介词 behind、through、under 等连用,表示位置或动作方向,在历史或建筑语境中很常见。

• Soldiers stood behind the portcullis.
• The enemy tried to break through the portcullis.
• They passed under the raised portcullis.

语域说明

portcullis 主要用于历史、建筑或文学语境,日常对话中较少使用,属于正式或专业词汇,适合描述中世纪防御工事。

• In medieval times, a portcullis was essential for castle defense.
• The museum exhibit featured a replica portcullis.
• Historical novels often mention portcullises.

基础例句

The castle's portcullis was lowered every night for safety.

城堡的吊闸每晚都会降下以确保安全。

We saw an old portcullis at the historical site during our tour.

我们在参观历史遗址时看到了一扇古老的吊闸。

The guide explained how the portcullis worked to protect the entrance.

导游解释了吊闸如何运作以保护入口。

In the movie, the heroes had to lift the portcullis to escape.

在电影中,英雄们必须升起吊闸才能逃脱。

高级例句

Archaeological studies indicate that portcullises were integral to medieval castle defense systems, often operated via winches.

考古研究表明,吊闸是中世纪城堡防御系统的关键部分,通常通过绞盘操作。

The restoration project included repairing the portcullis mechanism to preserve the historical accuracy of the fortress.

修复项目包括修理吊闸机制,以保持堡垒的历史准确性。

In military architecture, a portcullis served as a secondary barrier, complementing gates and drawbridges for enhanced security.

在军事建筑中,吊闸作为次要屏障,与大门和吊桥相辅相成,以增强安全性。

The business proposal metaphorically referred to lowering a portcullis to block competitive threats in the market.

商业提案隐喻性地提到降下吊闸以阻挡市场中的竞争威胁。

高频搭配

verb

lowerraisedropsecurereinforceoperate

adjective

heavyironmedievaldefensiveancientmassive

noun

castlegateentrancefortressdefensegatehouse

adverb

quicklyslowlymanuallyautomaticallysecurely

preposition

behindthroughunderaboveacross

phrase

portcullis gatelower the portcullisraise the portcullisportcullis mechanismbehind the portcullis

常见错误

❌ 错误:The portcullis is a kind of door.
✓ 正确:The portcullis is a type of defensive gate.

错误在于过于笼统;portcullis 特指中世纪城堡的防御性铁栅门,强调其历史和安全功能,而 'door' 泛指普通门,缺乏准确性。

❌ 错误:They opened the portcullis to let people in.
✓ 正确:They raised the portcullis to allow entry.

错误在于动词使用不当;portcullis 通常用 'raise' 或 'lower' 描述升降动作,'open' 更适用于普通门,不符合其机械操作特性。

近义词辨析

gate

gate 泛指各种入口门,用途广泛;portcullis 特指中世纪城堡的可升降铁栅防御门,更具历史和专业性。

The castle had a wooden gate for daily use, but the portcullis was reserved for emergencies.

barrier

barrier 是通用词,指任何障碍物;portcullis 是具体的防御结构,常用于历史语境,强调其作为城堡入口的特定功能。

A traffic barrier blocks the road, while a portcullis protected medieval castles from invaders.