Somebody with a hand up, so I can see it.
有人举手了,我看到了。
After a year of research, the team came up with a gravity-driven hand-washing machine successfully.
经过一年的研究,该团队成功研制出了一种重力驱动的洗手机。
The third is to take a picture of my hand holding the drawing and thendigitally match them up with a totally different background that I have photographed.
第三个方法是给我拿着图片的手一张照片,然后通过数字工具把它和我之前拍摄的完全不一样的照片拼接起来。
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