Perchromic acid
[化] 过铬酸
🧩 词语组成解析
🗣️ 情景例句
Nice to meet you.
很高兴见到你。
All good things came to an end.
天下无不散之宴席。
These attracted many visitors, for they were not only of great architectural interest, but contained a large number of beautifully preserved frescoes as well.
这些教堂吸引大量游客，不仅是因为建筑风格奇特，而且还有大量保存完好的壁画。