There was really no part of the human body that was not studied in depth the whole time you're up there.

在太空期间，其实人体没有哪部分是不需要进行深入研究的。

22.when passing one fathom bank , check the depth and variable sand waves below the sea level all the time by echo sounder

通过一托浅滩时，要一直测深校时水深及海面下多变的沙绞。