rǔ / tiē / yào / tiē / zài / qīng / jié / gān / zào / de / pí / fū / shàng / cái / néng / gèng / láo / gù

乳贴要贴在清洁干燥的皮肤上，才能更牢固。

Pasties should be applied to clean, dry skin so that they stay in place better.