Macdougallin
仙人掌甾醇, 甲(基)胆甾烯二醇
🗣️ 情景例句
And this is my mother, Ellen Stewart.
这是我妈妈， Ellen Stewart。
The question hung in the air.
这个问题仍悬而未决。
and that this happens at a rate which differs little from person to person,
衰老的速度在人与人之间相差甚微，