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....
对如此荒谬可笑的情况我感到越来越生气。I find myself growing increasingly angry at the absurdity of the situation.他滑稽可笑的形象只是用来掩饰内心深处痛苦的假面具。His laugh-a-minute image is just a front to hide his deep unhappiness.学生们总是被描述为有点儿可笑的人。Students have ...