Aquatint can create a subtle tonal effect that rivals watercolours.

完成的作品可媲美水彩画。

The results showed that the apple polyphenols can scavenge DPPH radicals as quickly as grapestone polyhenols and has a promising outlook.

苹果多酚清除DPPH自由基速度快,其抗氧化能力可与葡萄籽多酚相媲美,有良好的发展前景。