The pollen can then be separated from the rest of the catkin by sieving through cheesecloth or fine screen.

以粗纱布或细筛过筛，便可将花粉同柔荑花序的其它部分分开。

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The music kept playing 30 minutes later, I could see only one tenth of my screen while the rest was black.

之后音乐持续播放了30分钟，我只能看到十分之一的屏幕，其余的都是黑色的。

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Take BreaksThe simplest and most effective way to prevent eye strain is to make sure you look up from the screen and give your eyes a rest.

休息，防止眼疲劳最简单而有效的方式，就是确保你的视线离开屏幕，让你的眼睛得到休息。

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For instance, the centre links to an e-poem called "being human" by Annie Abrahams, the word "bonjour" edges across the screen showing the rest of the poem.

BBC: 'E-poetry' creates electronic sonnets

The worst thing is that, in seminars, one lecturer puts people's essays up on a projector screen and the rest of the group has to comment on it.

BBC: A term older and wiser?

After a dinner of caviar, prawn confit, duck breast and an assortment of French cheeses, a flight attendant converted Lais's seat into a mattress-topped flatbed complete with duvet and giant pillows and showed him how to seal his seat from view with a privacy screen for the rest of the 12-hour flight.

CNN: Amazing first-class air cabins