Word

HSK	Not in HSK
FREQUENCY	Unknown

反應堆燃料元件 fǎn yìng duī rán liào yuán jiàn

反 fǎn HSK 4	reverse, opposite, contrary, anti
應 yìng	should, ought to, must
堆 duī HSK 5	heap, pile, crowd; pile up
燃 rán HSK 5	burn; light fire, ignite
料 liào HSK 3	consider, conjecture; materials, ingredients
元 yuán HSK 3	first; dollar; origin; head
件 jiàn HSK 2	numerary adjunct for article; matter