Heptadecanone
十七烷酮
??? 情景例句
David Ogvy is the first genius of modern advertising.
大衛.奧格維是現代廣告的第一天才。
Bitter pills may have wholesome effect.
良藥苦口利于病。
But why did white people want to catch Africans and put them in chains?
但是為什么白人要把非洲人抓起來，戴上鐐銬呢？