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
Why does the boss have such a large, comfortable chair?
为什么老板有张那么舒服宽大的椅子？
He is explaining the details of his idea.
他在详细说明这个构想。
There had been fuel on the ship, but this did not appear to have caused the fire, and little smoke was produced.
很显然，船舱里已经发生了一场烈火，但是船舱内壁却完好无损。船上存放着汽油，但火灾似乎不是它引起的，因为没有冒出什么烟来。