他气喘吁吁，因为刚才一直在跑步。
He's out of breath because he has been running.
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has英 /hæz/|美 /hæz/
been英 /biːn/|美 /bɪn/
running英 /ˈrʌnɪŋ/|美 /ˈrʌnɪŋ/
解释
现在完成进行时 has been running——跑步刚停，喘气是仍在持续的结果。
He's out of breath because he has been running.
现在完成进行时 has been running——跑步刚停，喘气是仍在持续的结果。