block短语辨析.block out 与block off的区别.附例句.详细些,谢!

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block短语辨析.blockout与blockoff的区别.附例句.详细些,谢!block短语辨析.blockout与blockoff的区别.附例句.详细些,谢!block短语辨析.blockout

block短语辨析.block out 与block off的区别.附例句.详细些,谢!
block短语辨析.
block out 与block off的区别.附例句.详细些,谢!

block短语辨析.block out 与block off的区别.附例句.详细些,谢!
block out封闭；概略画出
Unplug the phone and use a white-noise machine,or a fan or an air conditioner,to block out background noise.
把电话线拔掉,使用一个能产生白噪声的机器,或是打开电风扇、空调,以阻断背景噪音.
Most photovoltaic cells respond to only a relatively narrow part of the sun's spectrum—and it just happens to be the one that clouds tend to block out.
大部份的光电电池,只能对日光光谱中极窄的一段频宽做出反应,不幸的是,这恰好也是最容易被云层阻挡的一段光谱.
block off阻挡；封堵
Tip:The undead will avoid walking through holy water puddles.You can use holy water to block off passages.
提示：不死生物会避免在圣水水坑里行走的,你可以用圣水封锁它们的通道.

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