Menthanone
[化] ┮烷酮
🗣️ 情景例句
I need a full tank.
我要满满一箱油。
I just dropped in to say goodbye.
我只是来告别的。
In this way self-confidence grows, first from mastering a subject, then from being able to take about it.
这样，你自信心不断增强，先是因为掌握一门学问，接下来是因为能够就此发表见解。