1 sentence

1. 这种药膏只能用于外涂皮肤，千万不能吞服。

   zhè zhǒng yào​gāo zhǐ néng yòng​yú wài tú pí​fū, qiān​wàn bù néng tūn​fú.

   This ointment is for external skin use only; do not swallow it.

   Source: Dong Chinese Dictionary