Dithioacetals
二硫缩醛
🗣️ 情景例句
Have you ever been to Nanjing?
你曾去过南京吗？
Let me tell you about our product.
关于产品一事让我向你说明。
The use of gloves was not introduced until 1860, when the Marquis of Queensberry drew up the first set of rules.
1860年昆斯伯里侯爵第一次为拳击比赛制定了规则，拳击比赛这才用上了手套。