Dithioacid
二硫代羧酸, 荒酸
🗣️ 情景例句
It's a pleasure to meet you too, Mrs. Green. I've heard so much about you.
格林太太，我也很高兴见到您。早就听说过您。
Eugene could create beautiful images with his paints.
尤金能够把美丽的形象用画笔画出来。
The golden rule here is spread your risk --
分散你的投资风险。