Lanostadiene
羊毛 甾二烯
🗣️ 情景例句
My boss expects me to work day and night.
我的老板恨不得我一天到晚地工作。
He who has not tasted bitter knows not what sweet is.
不吃苦中苦，哪知甜中甜。
I gave up in despair.
我无可奈何，只好罢休。