Epithioandrostanol
环硫雄醇
🗣️ 情景例句
This spring is the origin of the brook.
这泉水是那条小河的源头。
Did you see the special last night?
昨晚你看特别节目了吗？
In 1975, a primitive machine called the Altair, was launched in the USA.
1975年，美国推出了一台被称为“牛郎星”的原始机型。