After he swam the North Pole, Lewis Pugh vowed never to take another cold-water dip.

在他“泳”渡北极海之后，路易斯·普发誓再也不会跳入如此冰冷的水中。

youdao

This dip in the neutron count showed vast amounts of hydrogen in specific places at the planet's pole, consistent with deposits of water.

BBC: Mercury's water ice at north pole finally proven