Biferrocenyl
联二茂铁
🗣️ 情景例句
and a new paint job in the schoolrooms.
和重新油漆教室。
Do you have a book?
你有一本书吗？
Can't you see? They're round, like the moon. Have one, please.
你没看见吗？它们像月亮一样，圆圆的。请吃一个吧。