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.