fāshēng / huǒzāi / shí / xiāofángyuán / jiāo / wǒmen / shǐyòng / huǎnjiàngqì / cóng / yángtái / chèlí

发生火灾时，消防员教我们使用缓降器从阳台撤离。

When a fire broke out, the firefighters taught us to use a descent device to evacuate from the balcony.