Htc
abbr. 热传导系数（Heat Transfer Coefficient）
🗣️ 情景例句
and I promise you I won't forget.
我向你保证， 我不会忘的。
I'm behind the bars.
我在度铁窗的生活。
About once a month. Not too often, because neither of us has much time. We both have too much work to do.
大约每月一次。不太经常写信，因为我俩的时间都很紧。我们都有做不完的事。