burn off
US /bɜːrn ɔːf/
UK /bɜːrn ɔːf/

1.
烧掉, 烧尽
to remove something by burning it
:
•
The farmers decided to burn off the excess stubble in the fields.
农民们决定烧掉田里多余的茬。
•
The fire department worked to burn off the dangerous gases.
消防部门努力烧掉危险气体。
烧掉, 烧尽
to remove something by burning it