Formanite
钽钇铌矿
🗣️ 情景例句
Sure. Would you please sign your name on the back, sir, with your passport number?
每问题。先生，请您在支票背后签上名字和护照号码。
No good building without a good foundation.
基础不好，建筑不牢。
He told me to unpack my things and then come down to dinner.
他让我打开行装后下楼吃饭。