容易点燃
to catch fire with little effort or heat
不费力或只需少量热量就能着火
立即点燃
to catch fire immediately
立刻着火
突然点燃
to catch fire unexpectedly
出乎意料地着火
自燃
to catch fire or start burning without an external cause
指没有外部原因而起火或开始燃烧
未能点燃
used when something does not catch fire as expected
用于某物未按预期着火的情况