on; on top; upon; first (of two parts); previous or last (week etc); upper; higher; above; previous; to climb; to go into; above; to go up; to attend (class or university); third tone of putonghua[cedict]
有
yǒuㄧㄡˇ
to have; there is; there are; to exist; to be[cedict]
地心
(n,adj-no) center of the earth; centre of the earth[edict]
吸力
xī lìㄒㄧ ㄌㄧˋ
attraction (in gravitation or electrostatics); attractive force[cedict]