expiration
US /ˌek.spəˈreɪ.ʃən/
UK /ˌek.spəˈreɪ.ʃən/
1.
到期, 期满
the end of the period for which something is valid
:
•
Please check the expiration date on the milk.
请检查牛奶的保质期。
•
The passport's expiration is next month.
护照的有效期是下个月。
2.
呼气, 吐气
the act of breathing out; exhalation
:
•
The doctor listened to his expiration.
医生听了他的呼气。
•
Deep expiration helps to relax the body.
深呼气有助于放松身体。