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a protective covering or structure armor carried on the arm to intercept blows protect, hide, or conceal from danger or harm carapace: hard outer covering or case of certain organisms such as arthropods and turtles harbor: hold back a thought or feeling about; "She is harboring a grudge against him"
출처: wordnet.princeton.edu/perl/webwn
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A deflector shield is a fictional technology commonly found in science fiction. Typically, deflector shields (often referred to as simply "shields") are some form of energy field that is projected along the surface of, or into the space around, a starship, space station, planet, moon, or building. ...
출처: en.wikipedia.org/wiki/Shield_(science_fiction)
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In gastropods, a thickened, distinctly margined callus on the body whorl near the inner lip.
출처: www.fish.washington.edu/naturemapping/mollusks/glo...
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frontal calcified portion of carapace in hermit crabs, excluding softer posterior portion.
출처: gmbis.marinebiodiversity.ca/BayOfFundy/glossD.html
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Two flat discs of calcite with water flow in the center, attached to cave ceiling, wall or floor and projecting outward. It is suggested that water seeps under pressure along the fracture of the shield and moves out to the rim where deposition occurs and increases its diameter. The cause of the formation is not known.
출처: www.nps.gov/cave/glossary.htm
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