Paac
[医][=polyallyl acetate]聚醋酸烯丙酯
🗣️ 情景例句
but there's so much energy and talent in the man,
但是他有那么多的精力和才能，
Did you work all day?
你整天工作吗？
Then he spoke slowly, but I could not understand him.
于是他说得慢了，可我还是听不懂。