You can fold your paper like this.
你可以这样折你的纸。
You can fold along the black lines.
你可以沿黑线折叠。
它有可以折叠的翅膀。
"They found that men can experience up to a three-fold increased risk of stroke, and that risk seemed to be well correlated with the severity of sleep apnea."
VOA: special.2011.05.04
How many times do you need to fold the piece of paper so that you can reach the moon.
需要折纸多少次,才能碰到月亮。
So if you can have a piece of paper here, and you fold it 41 times by the end of the class, you can reach the moon.
如果你们有一张纸,再在下课之前折叠41次,你就能碰到月亮。
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