Hcfcs
abbr. hydro-chlorofluoro-carbon 【化学】氢化含氯氟烃
🗣️ 情景例句
And where do you live?
你们住在哪？
The leopard can never change its spots.
花豹永不能改变身上的斑点（指：本性难移）。
Suddenly she asked her father why he kept so many old newspapers locked away there,
她突然问父亲为什么把这么多的旧报纸锁在柜子里，