Fluoniobate
氟铌酸盐
🗣️ 情景例句
will read a poem by Robert Frost.
要朗读Robert Frost作的一首诗。
I ate tomato soup for lunch yesterday.
我昨天晚饭吃的是番茄汤。
Do you live near the factory?
你住在工厂附近吗？