I'm holding four rods using one hand.
一手拿四根杆。
For example, no one would even contemplate building a modern skyscraper using basic hand tools.
例如，没有人会企图用基本的手工建造现代的摩天大厦。
One group was taught to write by hand, while the other was using a keyboard.
一个组学习通过手写学习，而另一个组是用键盘学习。
One group was taught to write by hand, while the other was using a keyboard.
一个组学习通过手写学习，而另一个组是用键盘学习。
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