排气孔

pái qì kǒng

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Definitions

  1. 1. an air vent
  2. 2. a ventilation shaft

Child Words of 排气孔

孔
kǒng

hole

排
pái

a row

气
qì

gas; air

排气
pái qì

to ventilate

气孔
qì kǒng

air-bubble