Htc
abbr. 热传导系数（Heat Transfer Coefficient）
🗣️ 情景例句
It is nice of you to invite me to the party tonight.
你真好，邀请我参加今晚的聚会。
Do you have a passport?
你有护照吗？
but he will never sacrifice his freedom.
但他决不会牺牲自由。