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....
The best and the brightest pupils competed to demonstrate their intellectual prowess.最出色、最聪明的学生们竞相展示他们的才智。All contestants competed stark naked.所有参赛者都一丝不挂地参加比赛。The two girls competed with each other for the highest mark.这...
Garland covered his mouth with his hand and belched discreetly.加兰用手掩住嘴巴，小心地打了一个嗝。Bland, banal music tinkled discreetly from hidden loudspeakers.隐藏的喇叭里幽幽地传出平淡乏味的音乐。More discreetly than Qatar's, its royals are busy ki...