Group 2 - Spelling Practices

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(1) (顶点) the highest point; point in orbit most distant from the body being orbited
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(2) (努力,奋发) demanding great effort or labor; difficult
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(3) (确认,确证) find out for certain; discover with certainty; make sure of
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(4) (归因于,指派) inscribe or dedicate; attribute to a specified cause, source, or origin; assign as a quality
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(5) (灰色) ash-colored; very pale; consisting of ashes
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(6) (勤奋) constant in application or attention; diligent; unceasing or persistent
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(7) (关于星的) relating to stars; star-shaped
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(8) (核算,稽核) examination of accounts; adjustment or correction of accounts
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(9) (曙光的,极光的) characteristic of dawn; dawning, eastern, like new beginning; relating to the atmospheric phenomenon auroras
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(10) (鉴别) prove genuine; establish authenticity of