可燃冰

kěránbīng
clathrate hydrates

CEDICT

clathrate hydrates

Wiktionary

Entry Composition

1 可燃 kěrán inflammable
=2 冰 bīng
  1. ice
  2. to chill sth
  3. (of an object or substance) to feel cold
  4. (of a person) cold
  5. unfriendly
  6. (slang) methamphetamine

classifier: 塊
=2 冰 bīng variant of 冰 bīng