hand saw

基本解释

Street can be busy, and there are lanterns, axes, small hand saw and a variety of other stuff.
大街上可热闹了，有灯笼、斧头、小手锯和各种各样的其他玩意儿。
The name stems from the waveform's appearance on a scope; it looks like the teeth of a hand saw.
锯齿波的名字来源于示波器上其波形的形状，它看上去就像是手锯的齿一样。
Men used to cut trees with hand saw. But now, by using electronic saw they can cut down a tree in only a few minutes.
人类过去用手锯锯树，但是现在，用电锯可在几分钟内锯倒一棵树。

"You just saw a hand held UAV being launched" "This is something new to the Indian army.
One of them is the technique you saw me do with my left hand where I wiggled it a little bit. It's called vibrato.
其中有个技巧,你们看我左手的手法,我略微揉动琴弦引发出颤音
耶鲁公开课 - 聆听音乐课程节选
We have time for one more question. I think I saw a hand up.
最后一个问题，我好像看到谁举手了。
耶鲁公开课 - 新约课程节选

Yahoo, on the other hand, saw profit fall 28% on a 24% decline in revenue, as the company continued to lose traffic to other venues such as Google, Facebook, and Twitter.
FORBES: Parsing The 2Q11 Tech Earnings Results