He showed how robots can recognize notes on a piece of homework and give it a score.
他演示了机器人是如何识别作业上的笔记并进行打分的。
Today I would like to talk to you guys and try to accumulate some more information about cultural differences because I have to do a piece of homework on cultural differences.
今天我想和伙计们谈谈，并想搜集更多的关于文化差异的信息。因为我必须完成一份关于文化差异的家庭作业。
Our homework last night was a piece of cake.
我们昨天晚上的家庭作业很容易。
After lessons we had a small cup of coffee and half a piece of brown bread, then half an hour's play, then homework.
下课后，我们喝了一小杯咖啡，吃了半片黑面包，然后玩半小时，再做作业。
And here's a piece of my homework on the floor.
地板上还有一页我的作业呢。
And here's a piece of my homework on the floor.
地板上还有一页我的作业呢。
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