“罩杯”用英语怎么说？

她戴罩杯尺寸为D的胸罩.She wears a ` D cup, ie size of bra.她戴罩杯尺寸为d的胸罩.She wears a'D cup, ie size of bra.胸围减去下胸围就是罩杯大小.The difference between the chest and bust measurement is your cup size....