连锁反应 lián suǒ fǎn yìng

DEFINITIONS

  1. chain reaction

CHARACTERS

连 lián
HSK 4
join, connect; continuous; even
锁 suǒ
HSK 5
lock, padlock; shackles, chains
反 fǎn
HSK 4
reverse, opposite, contrary, anti
应 yìng
HSK 3
should, ought to, must