Velocimetry
速度測量學
??? 情景例句
He's a Boswell voter.
他是Boswell的支持者。
It's Monday today.
今天是星期一。
OK. We can get some more tomorrow. We should finish the floor now. Can you take the other end of this piece of wood? Now you have to pull it to make the surface smooth like that.
好吧。我們明天再多買些。現在我們應該把地板弄好。你能抓住木板的另一端嗎？現在你要來回拉動木板，使它的表面象那塊兒木板一樣光滑。