Pennone
四甲基-2-戊酮
🗣️ 情景例句
Two hours from now.
从现在起还有两个小时。
He is good at reading and writing, but he wishes he knew how to understand and speak better.
他的阅读和写作是强项，但他希望知道怎样去理解和说得更好。
They had large rooms with beautifully decorated walls.
里面房间很大，墙壁装饰华丽。