Formoxime
甲醛肟
🗣️ 情景例句
And I've never been happier, Harry.
我也从来没有这样快乐过 ，Harry。
I'd say yor're about twenty-three.
我猜你大约23岁。
and the more difficult it is, the more highly it is regarded.
他们认为， 道路愈艰险愈带劲儿。