midpointKK [ˋmɪdˏpɔɪnt] /ˈmɪdˌpɔɪnt/發音名詞1中點數學Mark the midpoint of the line segment with a small dot.用一個小點標出這條線段的中點。2中間點、中途、一半We are already at the midpoint of the semester.我們已經走到這學期的中間點了。