Htc
abbr. 热传导系数（Heat Transfer Coefficient）
🗣️ 情景例句
This is Mr. Wu in Room 415.
我在415房间，姓巫。
To heat
热一热
The temperature drops to -- 30 o and very few people attempt to cross the Pass.
气温下降到零下30度，试图跨越山口的人寥寥无几。