Coprostanol
糞（甾）醇
??? 情景例句
I hope you will excuse me.
希望你能原諒我。
They lacked for nothing.
他們什么都不缺。
Our own warm atmosphere and the heat generated by the telescope would make it impossible to detect objects as small as planets.
地球周圍溫暖的大氣層和望遠鏡散出的熱量使得我們根本不可能找到比行星更小的物體。