Pentafluoride
五氟化物
🗣️ 情景例句
and see what it says to me?
看它给我什么样的感受吧？
In face, I am still not sure if I really deserve this honor.
事实上，我还是不敢确信我是否真的堪当这个奖赏。
Is there a river in the picture?
画里有一条河吗？