translation.en: And then a thought came across my mind: if things go pear-shaped on this swim, how long will it take for my frozen body to sink the four and a half kilometers to the bottom of the ocean?
translation.zh: 然后一个念头在我脑中划过： 如果这场泳出了点问题， 我这冰冻的身体要花多长时间 才能沉到这 4500米的底部呢？