Didymium
n. [化]钕镨混合物
🗣️ 情景例句
I think that you're very successful
我认为你事业有成
On a cold day, a warm fireplace feels very nice.
在天寒地冻的日子，温暖的炉火旁是很舒服的。
These satellites go round the earth and help us to learn more about the earth, the weather and other things.
这些卫星绕着地球转，帮助我们更好地了解地球、天气和其他情况。