芒果的外形怎么说英语

"Mango" is the English word for the fruit you are describing. In terms of its appearance, here are some words that you could use to describe a mango:
Oval or oblong shape
Smooth or rough skin
Bright or dull color (depending on the variety)
Typically yellow, orange, or red when ripe
A small, pointed end (the stem end)
So, for example, you could say "The mango has an oval shape and a smooth, yellow skin." or "The mango is oblong in shape and has a rough, orange skin."