dug-in的用法和樣例：
例句
用作名詞 (n.)
- During the blitz everyone used to spend the night in underground shelters.
在閃電攻擊期間，每個人常常在地下防空洞度過夜晚。 - The dampness in the basement damaged his books.
地下室的潮濕將他的書損壞了。 - This cellar room is very damp in the rainy season.
這間地下室在雨季非常潮濕。 - The shelter was chucked up in thee hours.
這個窩棚在三小時內就匆匆搭起來了。 - A pile of straw in a stall is a bed, properly regarded.
如果正確看待的話，窩棚里的稻草堆就是一張床。 - He dug down a tree to make a canoe.
他挖倒一棵樹，用來造一條獨木舟。 - The maelstrom sucked in the canoe.
大漩渦吞沒了獨木舟。
