1. 對(duì)一組使用新藥，對(duì)另一組則使用舊藥以資對(duì)照。
   One group was treated with the new drug, and a second group was treated with the old one as a control.
2. 對(duì)照物對(duì)比平行的成分、項(xiàng)目或主題
   A contrasting but parallel element, item, or theme.
3. 對(duì)比染色劑，對(duì)照染色劑一種對(duì)比顏色的染色劑，用來(lái)染制主染色劑染后顯不出的顯微術(shù)標(biāo)本成分
   A stain of a contrasting color used to color the components in a microscopic specimen that are not made visible by the principal stain.
4. 白色的墻壁與黑色的地毯形成了鮮明的對(duì)照。
   The white walls make a contrast with the black carpet.

對(duì)的英語(yǔ)翻譯：

照的英語(yǔ)翻譯：