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....
由于你方所提供的条件不能接受,我只得辞谢.I must decline because the conditions offered are not acceptable.您那令人神往的邀请我不得不辞谢了.这是多么遗憾 啊 !How awful to have to turn down your very , very tempting invitation!很抱歉, 我不得不辞谢.Regretfully, I must decline...
It was Swank's judgment that he had become irrelevant.斯旺克的评价是,此人已无足轻重了....a swank new shop on the outskirts of Beijing.北京郊区新开的一家高档时尚商店Meanwhile swank restaurants crammed downtown Reykjavik, the capital and new finan...