他们挽着胳膊穿过了公园。

They walked through the park, ___arm ___in ___arm.

我们经常挽着胳膊在操场上走来走去。

We often walked around the playground ___arm ___in ___arm.

那对老夫妻在晚霞中挽着胳膊沿着海滩散步。

The old couple strolled along the beach ___arm ___in ___arm at dusk.