Beryllocene
二茂铍
🗣️ 情景例句
Yes? Can I do something for you?
什么事？我能为您效劳吗？
Would you ask her to call Larry Ruskin at 8 36-2550?
请你让她给拉里i拉斯金挂个电话好吗？电话号码是:836-2550。
It's a pity I didn't think of it earlier.
很可惜，我没有早一点想起这事来。