Peep door
[化] 观察孔
🧩 词语组成解析
peep
[pip]
v. 窥视，偷看;（小鸟等）唧唧地叫;（从隐蔽处）出现;
n. 窥视;唧唧声;隐现;慢慢露出;
door
[dɔr]
n. 门，户;出入口;一家[户];通道;
🗣️ 情景例句
I heard a lot of shouting, what's up?
我听见很多喊声，出了什么事了？
By the side of sickness health becomes sweet.
和疾病相比较，才显得健康的可贵。
My grammar is improving, but I find idioms and useful expressions hard to learn.
我的语法在进步，但我发现习语和有用表达很难学。