Hcfcs
abbr. hydro-chlorofluoro-carbon 【化学】氢化含氯氟烃
🗣️ 情景例句
That's all right, Susan.
没有错， Susan。
You play the piano beautifully.How much do you practice every day?
你完美地弹钢琴,你每天花多少时间练习？
Would you like to come to supper?
你愿意来吃晚饭吗？