形容词
中文翻译：Unknown
同义词：
['mechanical', 'automatic']
例句：
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1.The machine is automatic, so it doesn't require any human intervention.
这台机器是自动的，所以不需要任何人工干预。
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2.The automatic sprinkler system was installed to prevent water damage.
自动洒水系统被安装来防止水损。
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3. The automatic transmission has a lot of advantages over the manual one.
自动变速比手动变速有很多优点。