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An cronym is a word composed of the word the first letters of the words in a phrase, especially when this is used, as a name. An example of an acronym is NATO which is made up of the first letters of the 'North Atlantic Trety Organization'.

If a river or road meanders, it has a lot of bends, rather than going in a straight line from one place to another.

oil sand = tar sand 유사(油砂)

acetylene 아세틸린

貝
음독 - はい, ばい
훈독 - かい

海女(あま) - 해녀
あわび - 전복
息(いき) - 숨
潮(しお)が引(ひ)く - 썰물이 되다
まげる - 구부리다
だてめがね - 도수없는 안경