Jfa
abbr. Japan Fluorocarbon Association 日本氟碳化合物协会
🗣️ 情景例句
Welcome, Mr. Stewart.
欢迎， Stewart先生。
He is a good man whom fortune makes better.
好人走运人更好。
What was the population of the less developed countries in 1950?
1950年不太发达国家的人口是多少？