吸气

yòng zuǐ xī qì

用嘴吸气

breathe through one's mouth

shēn xī qì

深吸气

inhale deeply

yī shēng gěi tā tīng xiōng bù shí jiào tā xī qì

医生给她听胸部时，叫她吸气。

The doctor made her breathe in while he listened to her chest.

rén tǐ tōng guò xī qì hū rù yǎng qì

人体通过吸气呼入氧气。

The human body breathes in oxygen through inhalation.