医生要求患者深吸一口气,再缓缓呼出,以便观察肺部功能。Yīshēng yāoqiú huànzhě shēn xī yì kǒu qì, zài huǎnhuǎn hū chū, yǐbiàn guānchá fèibù gōngnéng.The doctor asked the patient to take a deep breath and then exhale slowly so that lung function could be observed.
冬天呼出的气会变成白雾。Dōngtiān hū chū de qì huì biànchéng báiwù.In winter, exhaled breath turns into white mist.
他站在山顶,大声呼喊着朋友的名字。Tā zhàn zài shāndǐng, dàshēng hūhǎn zhe péngyou de míngzi.He stood on the summit calling out his friend's name loudly.