The idea was to compare teenage with adult rats after theyd had a dose of alcohol讓青春期和成年老鼠都喝了酒后對比

compare with與 ... 相比

Compare with apartment hunting, my research work is a cinch.

跟找房子相比，我的研究工作真算不上什么。

Teacher takes Shelley to compare with Keats mutually.

教師拿Shelley與Keats相比較。

and see which one was better at keeping their balance.看看哪個的平衡感更好

keep balance保持平衡

He tried to keep balance between income and expenditure.

他試圖保持收之平衡。

So the rats were put upside down on a slope -老鼠被面朝下放到一個斜坡上

upside down顛倒

The painting is upside down.

圖畫顛倒了。