midpointKK [ˋmɪdˏpɔɪnt] /ˈmɪdˌpɔɪnt/发音名词1中点数学Mark the midpoint of the line segment with a small dot.用一个小点标出这条线段的中点。2中间点、中途、一半We are already at the midpoint of the semester.我们已经走到这学期的中间点了。用这个字练口说→