Pennone
四甲基-2-戊酮
🗣️ 情景例句
Yes, it is. Come up.
是的 是我。请上来
He that doth what he will doth not what he ought.
为其所欲为者不为其所当为。
She understood what I was talking about, even though it was the first time we had spoken together.
她理解我的话，虽然我们是第一次在一起说话。