Lanostenol
羊毛甾烯醇, 二氢羊毛甾醇
🗣️ 情景例句
Do we have to pre-book tours, or can we get them on site?
我们必须预定行程， 还是到那个地方再说？
Love is neither bought nor sold.
爱情不能买卖。
We've been anxious about you. We were expecting you back much earlier.
我们都为你们着急呢。都盼着你们早点儿回来。