Oxycholesterol
羟胆甾醇, 羟胆固醇
🗣️ 情景例句
I know it well.
我非常清楚。
Being the newest member of this committee is really difficult.
能成为这个集体的新成员是很难的。
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。