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 ...
They fanned out and carefully combed the temple grounds.他们呈扇形散开,在寺庙周围仔细搜寻。They've combed the four corners of the world for the best accessories.为了找到最好的配件,他们寻遍了每个地方。Officers combed the woods for the murder weapon.警察在...