Biosterin
生甾醇
🗣️ 情景例句
Isn't that right?
对不对？
He insisted that we all be in his office at one o'clock.
他要求大家一点钟到他的办公室。[大学英语四级]
Such administrative overheads in a business are analogous to the cost of government in a nation.
一家企业的这种行政管理开支类似于一个国家的政府管理所用的开支。