Jfa
abbr. Japan Fluorocarbon Association 日本氟碳化合物协会
🗣️ 情景例句
The plan is a simple one.
计划很简单。
What are you so excited about?
什么事让你如此兴奋？
The ants had been quick to find an answer to my thoroughly unscientific methods!
蚂蚁已很快找到了相应的对策，来对付我那套完全不科学的办法！