Why are the lupanine derivatives bitter ?

为什么白金雀儿碱的是苦的？

Buckingham Palace is a great magnet for tourists.

白金汉宫对旅游者来说是个有巨大吸引力的地方。

Results Three alkaloids were isolated from the plant.They were identified as N-methylcytisine(1),lupanine(2),sophocarpine(3).

结果从百蕊草总碱部位分离得到3个化合,分别鉴定为N-甲基金雀花碱(1)、白金雀儿碱(2)和槐果碱(3)。

Dr.George Fieldman, a lecturer in psychology at Buckingham Chilterns University College, offers an explanation.

白金汉郡奇尔特恩斯大学学院的心理学讲师乔治·菲尔斯德博士对此提出了一种解释。

There are always sightseers outside Buckingham Palace.

白金汉宫的外面，观光者络绎不绝。

I’ll give her a platinum ring.

我打算送给她一枚白金戒指。

I think that we may stand a chance of seeing the Queening to achive Buckingham Palace.

我想我们很有可目睹女王到达白金汉宫。

King Edward VII oversaw a partial redecoration in a Belle epoque cream and gold colour scheme.

爱德华七世看到的是部分以美丽年代奶油主题和金色主题重新装修的白金汉宫。