Trichlorotrifluoroethane
三氯三氟代乙烷(制冷剂)
🗣️ 情景例句
Building a city can be a disaster for the environment.
新建一个城市对于环境来说可能是一场灾难。
Who is the lady in white?
穿白衣服的那位小姐是谁？
They lived by hunting and by gathering roots, nuts and wild fruits.
他们靠狩猎和采集根茎、坚果和野果为生。