Potassium persulphate
[医] 过硫酸钾
🧩 词语组成解析
potassium
[[pə'tæsiəm]]
n. 钾\\n[化] 钾K
n. [化]过(二)硫酸盐
🗣️ 情景例句
Sunday's their big day.
星期天是他们大生意的日子。
He said he spoke a little English.
他说他会说一些英语。
'I'm trying to repair the bell,' answered Bill.
“我想把这口钟修好，”比尔回答说。