Steroidogenesis
n. 甾類產生,類固醇合成
??? 情景例句
Have you got any experience in advertising?
你有廣告方面的經驗嗎？
Behind bad luck comes good luck.
塞翁失馬，焉知非福。
Walking up and down the stairs would beat any exercise machine.
上下樓梯可比什么健身器都要好。