Hcfcs
abbr. hydro-chlorofluoro-carbon 【化学】氢化含氯氟烃
🗣️ 情景例句
Hello. Is this the Old Country Inn?
喂 ，是Old Country Inn吗？
A proper amount of exercise contributes to good health.
适度的运动有益于健康。
But this is not a business that can be undertaken in a day or swiftly improvised by a mere command of the will.
但这并非一日之功，也不是单凭意志一蹴而就的事。