Diazohydroxide
重氮氢氧化物
🗣️ 情景例句
He started with them almost forty years ago.
他在那里做了快四十年了。
Which one is more interesting?
哪一个是比较有趣的？
He fills each of the stockings with Christmas presents.
他给每一只长统袜装上圣诞礼物。