Shacking
vi. 未婚而同居（shack的现在分词形式）
🗣️ 情景例句
The office seems so far away.
办公室好像变得那么遥远。
Do you want me to check the tires?
要检查轮胎吗？
It has been found that certain bats emit squeaks and by receiving the echoes,
人们发现，某些蝙蝠能发出尖叫声，