洞穴
ㄉㄨㄥˋ ㄒㄩㄝˋ
“natural underground hollow in rock or earth; cave; cavern.”
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- 漏洞ㄌㄡˋ ㄉㄨㄥˋa hole or opening; a gap; a loophole; a flaw or weakness in reasoning or procedure
- 空洞ㄎㄨㄥ ㄉㄨㄥˋcavity; hollow space; empty; lacking substance; vacuous; (of writing, speech) insubstantial, lacking meaningful content
- 山洞ㄕㄢ ㄉㄨㄥˋa cave in a mountain; a tunnel through a mountain.
- 黑洞ㄏㄟ ㄉㄨㄥˋA region of spacetime with gravity so strong that light cannot escape; stellar black holes form from collapsed massive stars; supermassive black holes reside at galaxy centers.
- 坑洞ㄎㄥ ㄉㄨㄥˋa hole or pit in the ground; a sunken hollow; a pothole in a road.
- 破洞ㄆㄛˋ ㄉㄨㄥˋhole; tear; opening formed by breakage or rupture
- 穴道ㄒㄩㄝˊ ㄉㄠˋacupoint; acupuncture point where meridians converge, typically areas with dense nerve endings
- 洞察ㄉㄨㄥˋ ㄔㄚˊperceive clearly; see through; gain insight into
- 穴位ㄒㄩㄝˊ ㄨㄟˋacupoint; specific point on the body's meridians where nerves cluster and acupuncture is applied
- 洞悉ㄉㄨㄥˋ ㄒㄧto understand clearly; to comprehend thoroughly; to have insight into
- 洞察力ㄉㄨㄥˋ ㄔㄚˊ ㄌㄧˋinsight; keen perception; ability to grasp the true nature of things
- 太陽穴ㄊㄞˋ ㄧㄤˊ ㄒㄩㄝˋtemple; the soft spot on each side of the forehead, behind the outer corner of the eye