mid·point
noun/ˈmɪdpɔɪnt/
/ˈmɪdpɔɪnt/
[usually singular]- the point that is at an equal distance between the beginning and the end of something; the point that is at an equal distance between two things
中点；正中央 - the midpoint of the decade
十年过半的时候 - At its midpoint, the race had no clear winner.
赛跑进行到一半时尚难分胜负。 - midpoint between A and B the midpoint between the first number and the last
第一个数和最后一个数的中点
- the midpoint of the decade