alchemy
n[U]
medieval form of chemistry, the chief aim of which was to discover how to turn ordinary metals into gold 炼金术(中世纪化学, 其主要目的是寻求将普通金属转变成黄金的方法).
The sight of such a beautiful girl took Tony's breath away.
看到如此美丽的女孩,他目瞪口呆。
Perhaps the most extraordinary building of the nineteeth century was the Crystal Palace, which was built in Hyde Park for the Great Exhibition of 1851.