| Gb | Eng |
|---|---|
| 对一组使用新药, 对另一组则使用旧药以资对照. | One group was treated with the new drug, and a second group was treated with the old one as a control. |
| 对比染色剂，对照染色剂一种对比颜色的染色剂，用来染制主染色剂染后显不出的显微术标本成分 | A stain of a contrasting color used to color the components in a microscopic specimen that are not made visible by the principal stain. |
| 对照物对比平行的成分、项目或主题 | A contrasting but parallel element, item, or theme. |