Phthalyl
鄰苯二酰, 酞酰
??? 情景例句
What was your graduation thesis on?
你畢業論文是什么題目？
Reason is the guide and light of life.
理智是人生的響導和光輝。
People will do anything to see a free show -- even if it is a bad one.
人們總要想盡辦法看不花錢的演出——哪怕是拙劣的演出。