Shacked
vi. 未婚而同居（shack的过去式与过去分词形式）
🗣️ 情景例句
This city is just too overpopulated.
这个城市人口太过稠密。
We can't write very well.
我们不能写那么多。
The damage was caused by external forces.
损害是由外力引起的。