Denitrator
n. 除氮器
🗣️ 情景例句
It's so nice of you to come.
你能来真好。
It took him a long time to make up his mind.
下决心花了他很长时间。
That's what we did in China in the old days, before thermoses were invented, said Wei Hua.
“那是我们中国从前未发明出热水瓶时的做法。”魏华说。