fumigate
v[Tn]
destroy infectious germs, insects, etc in (sth) with the fumes ofcertain chemicals 用烟熏(某物)消毒
The hospital wards were fumigated after the outbreak of typhus. 发现斑疹伤寒以後, 医院的病房进行了烟熏消毒.
But the station master was adamant: rules could not be broken and she had to watch that train disappear towards her destination while she was left behind.