受潮

shòucháo
to get moist; to get damp (due to humidity, seepage etc)

CEDICT

to be made moist; to become damp; to be affected by damp and cold

Wiktionary

物体沾上溼气。

重編國語辭典

Entry Composition

1 受 shòu
  1. to receive
  2. to accept
  3. to suffer
  4. subjected to
  5. to bear
  6. to stand
  7. pleasant
  8. (passive marker)
  9. (LGBT) bottom
2 潮 cháo
  1. tide
  2. damp; moist; humid
  3. fashionable; trendy
  4. (coll.) inferior; substandard