flat-chested

• 1. 

  ADJ If you describe a woman as flat-chested, you mean that she has small breasts. 平胸的 [表不满]

  例：

  This bra will take flat-chested girls and give them exactly what they want.

  这种胸罩受平胸女孩青睐，并且给她们完全想要的。