Perfluoroethylene
[机] 四氟乙烯
🗣️ 情景例句
I didn't like the film, it was too arty.
我不喜欢这部电影，艺术味太浓。
Bitter pills may have wholesome effect.
良药苦口利于病。
I learnt that I had passed the test.
我获悉我测验及格了。