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....
A family of stags once existed with an antler only on one side.曾有一群雄鹿,仅一边有角.Traditionally, velvet antler is used for a wide variety of ailments.传统用鹿茸可以防止很多常见病.The antler is a bone tissue which can be regenerated postnata...
Students can live out if they wish.如果学生们愿意,他们可在学院外寄宿.Will the old man live out the month?那老人熬得过这个月 吗 ?Most of the students prefer to live out.大多数学生情愿住在校外....
He strolled about, look very debonair in his elegant new suit.他穿了一身讲究的新衣服逛来逛去，显得颇为惬意。It is friendly, remote, and debonair.卡普里岛远离尘嚣,但景色宜人, 生机盎然.He strolled about, looking very debonair in his elegant new suit.他穿了一身讲究的新衣服逛...
亨特先生及他率领的管理小组加入了州长们的队伍。The governors were joined by Mr Hunter and his management team.他再次举起指挥棒，让铜管乐部加入进来。He once again raised his baton and brought in the brass.戴高乐驳回了英国加入欧洲经济共同体的申请。De Gaulle vetoed Britain's applic...
People are predicting civil unrest in the area.人们预言该地区将发生动乱。A numerical method is presented for predicting the motion characteristics of high - speed displacement catamarans in waves.给出一种基于 高速 细长体理论的预报排水型双体船在波浪上运动性能的数值方法...