Nonconservation
不守恒
🗣️ 情景例句
I was a member of the debate team.
我是辩论队的成员。
Who is the greatest playwrighter of our times?
谁是当代最伟大的剧作家？
Oh. It's very nice. How far have you been in it?
嗬，太漂亮了。你开它走了多远？