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单词
obtuse angle
释义
obtuse angle
obˈtuse ˌangle
noun
[countable]
math
,
geometry
an angle between 90 and 180 degrees
→
acute angle
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backslapping
backslash
backslide
backslider
backspace
backspin
backsplash
backstabber
back-stabbing
backstage
backstairs
backstop
back story
backstreet
backstretch
backstroke
backtalk
back-to-back
backtrack
backup
backward
backwardly
backwardness
backwash
backwater
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更新时间:2025/12/20 19:42:14