本文以二聚脂肪酸、疊氮化鈉、三苯基膦及N-氯代丁二酰亞胺為原料，通過(guò)Staudinger重排制備了三十四碳二聚脂肪酸二異氰酸酯（DDI）。

　　In this dissertation, using dimeric fatty acid, sodium azide, triphenylphosphine and N-chloro succinimide as raw material, DDI was synthesized via staudinger rearrangement reaction.

　　人類(lèi)曾三十四次派遣宇宙飛船到我們的行星鄰居火星。

　　Thirty-four times humans have sent spacecraft to our planetary neighbor.

　　三年過(guò)后，三十四歲的埃利奧特死于酒精中毒；

　　Three years later, Elliott, 34, died of alcoholism.

　　那楝建筑物位於第三十四街和第五大道的交叉囗上。

　　The building stands at 34th Street and 5th Avenue.

　　廣播里說(shuō)要降到華氏三十四度。

　　That guy on the radio said it's going down to34.

　　三十四：試穿那件新的襯衣。

　　Thirty four: Try on that new shirt.