Didymium
n. [化]钕镨混合物
🗣️ 情景例句
The little boy held his mother's hand firmly when crossing the street.
那小男孩过马路时紧抓着母亲的手。
I think you have made a right decision.
我认为你们做出了正确的决定。
Most cats remain suspicious of humans all their lives.
在它们的一生中，大多数猫都对人存有戒心。