Pervesterol
[化] 藻脂甾醇
🗣️ 情景例句
I'm really concerned about going away for the weekend, Ellen,
我这个周末出门实在放心不下， Ellen，
Just lately I've caugth up to my works.
最近我的工作忙死了。
The temperature will stay above zero in the day-time, but at night it will fall below zero again.
白天气温保持在零度以上，但夜间仍会降至零下。