Sitosterol
n. [化]谷甾醇
🗣️ 情景例句
2, 3 , 1, 2, 3, pony, pony... 2 3 1 2 3
小马步 小马步 ……
We can't see it very well.
我们不能看得很清楚。
and the railway of the future may well be the 'hovertrain',
未来的火车或许能成为气垫火车，