我从口袋里掏出一枚硬币，把它投掷出去。
把衣服夹子游戏做得更难一些，你可以让孩子们把它放在下巴下面，然后投掷。
To make the clothespin-drop game harder, you can have kids hold it under their chin and drop.
发射的时候只需要把它的部件扣装在一起，然后往空中投掷即可，会有电动推进器带动其升空。
Launching it is a matter of snapping the parts together and throwing it into the air, whence it is carried aloft by an electric propeller.
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