Cyclopropane rings are included within larger systems, such as triterpenes.三元環包含在較大的環系統中,像三萜類中.Under the optimum condition the yield of isopropyl cyclopropane carboxylate is 92 %.在最佳反應條件下,環丙烷羧酸異丙酯的產率達92%.Cyclopropane car...
The best bit was walking along the glacier.最好的部分就是沿著冰川走。The upper surface of glacier is riven by crevasses.冰川的上表面已裂成冰隙.The glacier scooped a canyon out of rocks.冰河在礁石中沖出了一條河谷....
Alex jumped up so violently that he overturned his glass of sherry.亞歷克斯一下子暴跳起來，結果把他那杯雪利酒都打翻了。Sherry is half as strong again as table wine.雪利酒比佐餐酒酒勁強一半。Cook pieces of succulent chicken with ample garlic and a little sherr...