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 synthesis of ν - curcumene was described. The experiment affirmed that ν - curcumene can aromatize to α - curcumene readily at room temperature....
A timely bingo win brought some cheer to Juliet Little's family yesterday.昨天玩宾戈赢了一把，适时地给朱丽叶·利特尔一家带来些许的欢快心情。The computer program searches, and bingo! We've got a match.电脑程序在搜索，瞧！找到匹配的了。The local cinema has been ...
Ellen's face wrinkles as if she is about to sneeze.艾伦的脸皱了起来，好像要打喷嚏。Some deep wrinkles furrow his lower forehead.他额头下方出现了几道深深的皱纹。His face was covered with wrinkles.他的脸上布满了皱纹。...