Potassium persulfate
[化] 过硫酸钾; 过二硫酸钾
🧩 词语组成解析
potassium
[[pə'tæsiəm]]
n. 钾\\n[化] 钾K
[医] 过硫酸盐
🗣️ 情景例句
I wasn't good at it, and I didn't like studying it.
我不精于此道， 也不爱去学它。
How long does it take for a letter to get to California ?
一封信到加利福尼亚要花多长时间？
Are you free later today, Mr. Green?
您今天晚些时候有空吗，格林先生？