防空洞的英文：
bomb shelter
funk hole

参考例句：

An air-raid warning,shelter
空袭警报,防空洞.

elephant dugout
【军】大壕沟,大防空洞

Pauen had gone to the scene to gather news about the bombed air-raid shelter where around 400 civilians lost their lives
鲍恩曾到现场采访了这个被炸毁的防空洞，大约有400名平民丧生。

bomb是什么意思：
n. 炸弹；彻底的失败
v. 轰炸，投弹；失败

To neutralize a city to prevent bombing.
宣布某城市中立以避免被轰炸。

a device on an aircraft for carrying bombs.
飞机上用来装载炸弹的装置。

A bomb was founded at the entry to the Capitol.
在美国国会大厦的入口处发现一颗炸弹。

shelter是什么意思：
n. 遮盖物；遮蔽，庇护；避难所，收容所
v. 遮挡；躲避；庇护

They are people sheltering illegal immigrants.
他们是为非法移民提供庇护的人们。

This is a shelter for homeless women.
这是个收留无家可归的妇女的收容所。

But caves are a natural shelter.
山洞是自然的躲避所。

funk是什么意思：
n. 怯懦,恐惧,恐怖,臭味
vt. 畏缩,害怕,使闻到臭味
vi. 惊恐,发出臭味
【文化】词原指美国备受歧视,艰难度日的苦难时光.同时是一种生活态度,混合着放荡不羁,热情乐观,20世纪70年代的黑人流行音乐就是对这种态度的明确表现.

Just the thought of travelling by air puts me in a blue funk.
只要一想起坐飞机旅行就使我极为恐惧。

I was in a blue funk when my employer called me into his office.
老板叫我到他办公室去时，我心中忐忑不安。

John is in a blue funk about fighting Jackson in the boxing tournament tomorrow.
约翰在明天的拳击比赛中将迎占杰克逊，他十分畏惧。