Diperchromic acid
[化] 过二铬酸
🧩 词语组成解析
🗣️ 情景例句
Well, before I go to college,
嗯，在我进大学之前，
Let's get together one of these days.
找一天聚聚。
the king himself set out to penetrate the camp of Guthrum, the commander of the Danish invaders.
他亲自潜入丹麦入侵司令官古瑟罗姆的营地。