attains
v.
（通常经过努力）实现( attain的第三人称单数 );
达到;
获得;
达到（某年龄、水平、状况）;
例句:
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This is the period at which the body attains maturity.
这是身体发育成熟的时期.
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The temperature a star attains is determined by its mass.
恒星所达到的温度取决于它的质量.
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This plant attains to a height of 10 feet.
这种植物能长到10英尺高.
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Iceland attains home rule; rule by parliamentary majority introduced.
来自BBC
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Scientists believe the Higgs boson could explain how matter attains its mass.
来自VOA
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July - New Hebrides attains independence within the Commonwealth under the name of Vanuatu.
来自BBC