Didymia
氧化钕镨
🗣️ 情景例句
That's why the new community center is a good idea.
这就是为什么说新的社区中心是个好主意。
I'm very glad to meet you.
认识你很高兴。
To do this, he must be at least as knowledgeable as the dealer.
要做到这一点，他至少要像古董商一样懂行。