Hetu
abbr. Height Equivalent to Transfer Unit 当量传质单元高度
🗣️ 情景例句
Why do prices always go up during Spring Festival?
为什么春节期间很多东西都会涨价？
Please don't bother. Thank you just the same.
请不要麻烦了，谢谢。
Yes, I remember. You were not here yesterday. What was wrong? Were you ill?
是的，我记得。你昨天没有来。怎么啦？你病了吗？