金和银是容易加工的金属.Gold and silver are tractable metals.将织物的毛边与滚边未经加工的边对齐。Keep the rough edge of the fabric aligned with the raw edge of the piping.即使经过最精细加工的金属表面也不会真正平整.Even the most carefully finished metal surface is not tru...

“加工的”的英语可以翻译为：artifactitious...