核液体 meaning in English

nuclear fluid

The rotational changes arise because of tidal forces exerted by the moon and inertial effects related to the liquid outer core sloshing around and to the cycle of evaporation , in which water at the equator gets deposited at the poles as ice that melts seasonally
自转的改变则因为月球产生的潮汐力，以及因地球外核液体搅动和大气蒸发循环（赤道蒸发的水气于地极凝结成冰，并周期性融化）产生的惯性效应。