Perfluocarbon
[化] 全氟化碳
🗣️ 情景例句
What do you do for a living?
你以什么为生？
Hello, is this the home of Mr. Chen?
喂，是陈先生的家吗？
It has been estimated that the weight of all the insects destroyed by spiders in Britain in one year would be greater than the total weight of all the human beings in the country.
据估计，在英国蜘蛛一年里所消灭昆虫的重量超过这个国家人口的总重量。