ventilating

动词 ventilate:

1. expose to cool or cold air so as to cool or freshen
   同义词：vent, ventilate, air out, air
2. expose to the circulation of fresh air so as to retard spoilage
   同义词：ventilate
3. circulate through and freshen
   同义词：ventilate
4. give expression or utterance to
   同义词：vent, ventilate, give vent
5. furnish with an opening to allow air to circulate or gas to escape
   同义词：ventilate

1. They are ventilating the sap of a coal mine.
   他们正在使煤矿坑道通风。