Didymium
n. [化]钕镨混合物
🗣️ 情景例句
Hello. This is an emergency. Can you please send an ambulance?
喂，这儿有急病患者，请派一部救护车来。
It really comes in handy.
有了它真是方便。
Let me see. It's about four thirty.
我看看，大约四点半了。