Phosphonoacetone
二氧磷基丙酮
🗣️ 情景例句
She is making steady progress in her learning.
她在学习中不断进步。
So far I have been learning about China.
到止前我止，我一直都在研究中国的事情。
They picked lots of bananas, and took them back to the boat.
他们搞了很多香蕉，并带回船上。