有证据表明如果瓶喂配方奶给平躺着的宝宝，配方奶可能进入宝宝的耳咽管和中耳，进而引起感染。

There is good evidence that if baby is given a bottle of formula while lying flat, the formula can get into the Eustachian tubes and middle ear and cause an infection.

youdao

有证据表明如果瓶喂配方奶给平躺着的宝宝，配方奶可能进入宝宝的耳咽管和中耳，进而引起感染。

There is good evidence that if baby is given a bottle of formula while lying flat, the formula can get into the Eustachian tubes and middle ear and cause an infection.

youdao