The synthesis of ν - curcumene was described. The experiment affirmed that ν - curcumene can aromatize to α - curcumene readily at room temperature.用金属锂 - 液氨一步还原法合成γ姜黄烯.实验证实γ姜黄烯极不稳定,室温下极易芳香化转变成α姜黄烯....
眼看就要破纪录却功亏一篑，她只能失望地离开。She went away disappointed after getting tantalisingly close to breaking the record.普瑞斯莱失望地把手一挥, 转身就走,觉得万念俱灰.Presley turned away with a gesture of discouragement, his heart sinking.他失望地听到那人一连叫了三个数字....
Consonants are frequently assimilated to neighboring consonants.辅音往往被其邻近的辅音同化.Vowels possess greater sonority than consonants.元音比辅音响亮.These scripts follow complex rules of layout involving consonants, vowels , special sy...
He hadn't eaten a thing except for one forkful of salad.除了一餐叉色拉，他什么都没吃。She sipped the wine. Everything was hazy now, except for Nick's face.她小口地抿着酒。现在一切都变得模糊起来，除了尼克的脸。Except for the remarkably tidy kitchen, the...