Focus on the pronunciation of bottom
English definition of “bottom”
/ˈbɑt̬·əm/ n [C usually sing] (LOWEST PART)
› the lowest part of something: He stood at the bottom of the stairs and called up to me. › A bottom is the lower part of an item of clothing that consists of two parts: pajama bottoms › The bottom is also the least important position: The manager of the hotel started at the bottom 30 years ago.