Dean Corso : [ expels a lungful of smoke, unmoved ] Ten.迪安科索: [ 无动于衷的吸了一口烟 ] 一成.The average cow expels 600 liters of methane a day.一般每头牛每天会排出600升甲烷.The virus spreads through the air an infected person expels air suddenly...

expels的音标：...

v.驱逐( expel的第三人称单数 )，赶走，把…除名，排出...