Formanite
钽钇铌矿
🗣️ 情景例句
Thank you. Just put them on my desk.
谢谢。 把它们放在我桌上。
Why are you looking at me?
你为什么看着我？
Why does aperson standing in a bus or train tend to fall when a sudden start is made?
一个人站在公共汽车或火车上，当车突然开动时，他为什么会倾倒呢？