expiration

这瓶牛奶的保质期到明天。

The ___expiration date on this milk bottle is tomorrow.

护照的有效期还有两周就到期了。

The passport will reach its ___expiration in two weeks.

瑜伽练习中，缓慢的呼气有助于放松身体。

In yoga practice, slow ___expiration helps relax the body.