I was coming back on duty as a resident physician to cover the labor and delivery unit.

我作为住院医生回来值班，负责分娩和产房。

He says that the values on the Y-axis are 18 at the lowest point and 43 at the highest point. So the full range there covers 25 units.

他说，Y 轴上的数值最低为18，最高为43。所以那里的全部范围包括25个单位。

He says that the values on the  Y-axis are 18 at the lowest point and 43 at the highest point. So the  full range there covers 25 units.

他说 Y 轴上的值在最低点为 18，在最高点为 43。 所以那里的全系列涵盖 25 个单位。