Jfa
abbr. Japan Fluorocarbon Association 日本氟碳化合物协会
🗣️ 情景例句
The whole house needs re-painting.
整个房间需要重新粉刷。
He's behind the rest of the class in reading.
他在阅读方面不如班上的其他同学。
But when the train dawdled at station after station, I began to wonder,
但是，当火车一站接着一站往前蠕动时，我便产生了怀疑。