Sipylite
褐钇铌矿
🗣️ 情景例句
Frankly, neither was I.
坦白的说 ，我当年也不好。
Please speak more slowly.
请说得慢一些。
As I expected, he did not believe me.'Try it!' I said encouragingly.
“你就闻一闻吧！”我催促说。