retrofits
n.
式样翻新，花样翻新( retrofit的名词复数 );
v.
给机器设备装配（新部件），翻新，改型( retrofit的第三人称单数 );
例句:
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Key components are obvious retrofits, from the stolen navigational computers to the uncommonly powerful hyperdrive.
重要部件, 从头来的导航电脑到极端强大的超光速引擎显然都是新的.
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How many building efficiency retrofits could that buy?
来自SA
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I've been involved in a non-profit program promoting scale retrofits.
来自SA
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Most installations are made on newly constructed buildings, but retrofits are rising.
来自SA