名 （物体上穿通的或凹入较深的部分； 窟窿； 洞穴） hole，cavity；形 （深远； 透彻） profound，thorough，clear，hollow；

[例句] 这些洞作鸟巢足够大。 The holes were sufficiently large to serve as nests.

[例句] 任一处的建筑物正面都布满了弹洞。 Everywhere building facades are pitted with shell and bullet holes.

cave，cavern，abri，grotto，burrow；

[例句] 他们试着在洞穴正下方的一块地上挖掘。 They tried digging in a patch just below the cave.

[例句] 这正是洞穴探险者害怕的那种洪水。 This is the type of flood dreaded by cavers.

cavity，void，empty，hollow，inanition ；

[例句] 每年春天，臭氧遭到破坏，空洞就出现了。 Every spring the ozone is chewed up, and the hole appears.

[例句] 亚太经合组织似乎为一大堆空洞的胡言乱语所淹没。 APEC seems be drowning in an ocean of jargon.

leak，flaw，hole，loophole ；

[例句] 他们的反恐战略存在漏洞。 There were gaps in their counterterrorist strategy.

[例句] 软件有漏洞。 There is a bug in the software.

[天] black hole，collapsar，[电影]The Black Hole；

[例句] 从该星系中心收到的无线电信号证实了黑洞理论。 Radio signals received from the galaxy's centre back up the black hole theory.

[例句] 他们发现了以往想象不到的新客体 —— 脉冲星 、 类星体和黑洞. They have discovered now , previou sly unimagined objects - pulsars, quasars, and black holes.

（明察； 观察得很清楚） see clearly，have an insight into，see through clearly，examine thoroughly，apperceive ；

[例句] 乔治的洞察世情令她叹服。 George dazzled her with his knowledge of the world.

[例句] 他的自传可以让读者深入洞察他的精神世界。 His autobiography provides an illuminating insight into his mind.

potholing，cave，dibble，hole ；

[例句] 牙医开始在那颗有问题的牙齿上挖洞，钻孔，直到最后把它补好。 The dentist commenced to dig, drill and finally fill the offending tooth.

[例句] 鼹鼠的前足非常有力，擅长挖洞。 Moles have powerful forefeet for digging.

barathrum，abime，a bottomless pit (that can never be filled)，insatible desires，abyss；

[例句] 他吃起东西来肚子像个无底洞。 He's a bottomless pit as far as food is concerned.

[例句] 战争把许多青年男子吞进了它的无底洞. The war swallowed up many young men into its maw.

[地] grotto，abra，abri ；

[例句] 石灰岩上有许多缝隙，故而树根能从岩洞顶部长出来。 The limestone is sufficiently fissured for tree roots to have breached the roof of the cave.

[例句] 同时还在这些大石灰岩洞里开采水泥原料。 The large limestone caves are also quarried for cement.

know clearly，understand thoroughly，discern，pierce ；

[例句] 苏珊洞悉一切似的点点头，好像我所说的话意义深刻。 Susan nodded sagely as if what I had said was profoundly significant.

[例句] 本用洞悉一切的目光看着他。 Ben looked at him piercingly.

cavern，grotto，room，chamber ；

[例句] 江垭电站地下厂房洞室群共有大小洞室33个. Jiangya underground powerhouse has 33 chambers in different size.

[例句] 研究表明,地下厂房洞室群整体稳定. The results show that the tunnels are stable and safe.

air-raid shelter，bomb shelter，bombproof dugout，abri，funk hole ；

[例句] 人们正奔向地下防空洞。 People were making for the air-raid shelters below ground.

[例句] 为防御可能发生的空袭，该城市正在建防空洞。 The city's bomb shelters were being prepared for possible air raids.

entrance to a cave ；

[例句] 洞口大半都淹没在湖里。 Most of the mouth of the cave was submerged in the lake.

[例句] 湍急的水流奔涌过洞口。 The water rushed through the holes with great rapidity.

doghole ；

[例句] “ 请教这个狗洞怎样一种钻法? " I don't see how you think you're going to go about the snooping, though.

[例句] 最后查到小偷是从狗洞里进出的. Checking thief finally is from the pass in and out in dog hole.

insight，perspicacity，[法] discernment，intuitivism ；

[例句] 她给出了一些非常有趣又富有洞察力的评论。 She offered some really interesting, insightful observations.

[例句] 有深刻洞察力的作家 a writer of great insight

[体]cup ；

[例句] 如果出手准确，这一击将使他们有机会把球打得离球洞更近。 If correctly executed, this shot will give them a better chance of getting the ball close to the hole.

[例句] 球袋–为使球落袋而设置的球洞. Pocket - the holes created for the balls to be potted into.

channelling，[法] aven （灰岩地区），dolinae doline，catavothre ；

a hole in the ground，burrow ；

[例句] 一些独居蜂会把巢筑在田间的地洞里。 Some solitary bees make their nests in burrows in the soil.

[例句] 是一只笨手笨脚的打地洞的大松鼠. It's a large, clumsy, burrowing squirrel.

[纺] pinholes，vug，fossette （窝陷），alveolus ；

[例句] 我们从屋顶的小洞能看见星星。 We could see the stars through an opening in the roof.

[例句] 蛀虫将我的羊毛衫蛀蚀了几个小洞. The moths have eaten holes in my wool coat.

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[例句] 我通过篷车帘子的破洞窥视。 I peered through a tear in the van's curtains.

[例句] 我们可以修补这些破洞。 We can patch up those holes.