Potassium polymetaphosphate
[機] 聚偏磷酸鉀
?? 詞語組成解析
potassium
[[p?'t?si?m]]
n. 鉀\\n[化] 鉀K
??? 情景例句
He's very nice.
他很不錯。
I always used to ask him a lot of questions.
我過去總是問他很多問題。
That's right. I'm travelling round the country.
對。我在周游全國各地。