터널, 지하도, 굴
An artificial underground passage, typically built through a hill or under a road or river.
예문:
"The new subway tunnel connects the two major business districts."
"Engineers are inspecting the mountain tunnel for structural integrity."
동물 굴, 구멍
An underground passage or hole dug by a burrowing animal.
예문:
"The mole had created a complex network of tunnels beneath the garden."
"Ants use narrow tunnels to transport food back to the queen."
굴을 파다, 뚫고 가다
To dig or force a passage underground or through an obstacle.
예문:
"The prisoners attempted to tunnel their way out of the high-security facility."
"Termites can tunnel through solid wood over a long period."
터널링, 투과
To pass through a potential barrier that is classically impassable, as a subatomic particle.
예문:
"In quantum mechanics, electrons can tunnel through thin insulating layers."
"The scanning tunneling microscope relies on this unique physical phenomenon."
파도 터널, 컬
The hollow space formed by the crest of a breaking wave.
예문:
"The surfer managed to stay inside the tunnel for several seconds."
"Photographers often try to capture the view from inside the wave's tunnel."