lavatory
用法要点
介词用法
lavatory 常与介词 in 或 at 连用，表示在厕所内或附近，如 in the lavatory（在厕所里）或 at the lavatory（在厕所处）。
语域说明
lavatory 是正式用语，多用于书面语或公共场所标识，如飞机、火车上的卫生间，日常口语中更常用 toilet 或 bathroom。
句型搭配
lavatory 可作主语或宾语，常见句型如 "The lavatory is occupied."（厕所被占用）或 "Please clean the lavatory."（请清洁厕所）。
基础例句
Excuse me, where is the lavatory? I need to wash my hands.
请问厕所在哪里？我需要洗手。
The lavatory on this train is always clean and well-maintained.
这列火车上的厕所总是干净且维护良好。
Please wait, the lavatory is currently occupied by another passenger.
请稍等，厕所现在被另一位乘客占用了。
After using the lavatory, remember to flush and wash your hands.
使用厕所后，记得冲水并洗手。
高级例句
The aircraft's lavatory systems must comply with strict aviation safety regulations.
飞机的厕所系统必须符合严格的航空安全规定。
In the architectural design, the lavatory facilities were integrated to optimize space efficiency.
在建筑设计中，厕所设施被整合以优化空间效率。
The hotel management ensures that all lavatories are sanitized regularly to meet hygiene standards.
酒店管理确保所有厕所定期消毒，以满足卫生标准。
During the conference, attendees are advised to use the designated lavatories on the ground floor.
会议期间，建议与会者使用一楼指定的厕所。
高频搭配
verb
adjective
noun
adverb
preposition
phrase
常见错误
错误：lavatory 作为可数名词，通常需要冠词 the 或 a 来指定，表示特定的厕所。正确用法应加 the，指代已知或特定的厕所。
错误：lavatory 多指整体卫生间设施，在口语中描述具体部件（如马桶）故障时，更常用 toilet。正确用法用 toilet 更自然，避免混淆。
近义词辨析
toilet
toilet 更通用，日常口语和书面语都常用，指厕所或马桶本身；lavatory 更正式，多用于公共场所或标识，强调盥洗功能。
In daily life, people say 'I need to use the toilet,' but on a plane, signs read 'Lavatory' for the restroom.
bathroom
bathroom 在美式英语中常指带浴缸或淋浴的卫生间，可能包含厕所；lavatory 更狭义，特指厕所或洗脸盆区域，不带洗澡设施。
At home, the bathroom has a shower, but in public places, the lavatory is just for washing and toilet use.