- 双语例句
1、
Oxford , in those days , was still a city of aquatint.
牛津, 那时还是一座精雕细刻的城市.
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2、
Aquatint: It is an etching process on copper or steel by means of nitric acid.
水彩色调: 用硝酸在钢片或铜片上作腐蚀的蚀刻法.
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