| 单词 | 火门 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔door〕Someone had propped the fire door open with a pile of books.有人用一摞书顶住了防火门，不让它关上。牛津搭配〔fire door〕A door made of fire-resistant material that can be closed to prevent the spread of fire.防火门：一种用防火材料做成的关上后能阻止火蔓延的门美国传统〔touchhole〕The opening in early firearms and cannons through which the powder was ignited.火门：早期火器和大炮中的开口，由此将火药点燃美国传统〔vent〕The small hole at the breech of a gun through which the charge is ignited.火门：弹药通过其点燃的枪后膛上的小孔美国传统Fire doors should not be wedged open at any time.任何时候都不要将防火门打开楔住。剑桥国际 |
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