Diortho periodic acid
[化] 二原高碘酸
🧩 词语组成解析
periodic
[,pɪrɪ'ɑdɪk]
adj. 周期的;定期的;回归的;间歇的，时而发生的;
🗣️ 情景例句
when I was about eighteen years old.
那时我差不多十八岁。
A blate cat makes a proud mouse.
猫儿腼腆，老鼠翻天。
I want to buy some food for supper this evening.
我想买点晚饭用的东西。