Perfluoropropylene
[化] 六氟丙烯; 全氟丙烯
🗣️ 情景例句
How has your visit to Shanghai been so far?
目前你对上海的印象如何？有何收获？
If I'm not mistake.
如果我没搞错的话。
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。