expired air

• 呼气

expired air的用法和样例：

例句

1. The whales expired with a rushing sound.
   那些鲸鱼呼气时发出一种急促的声音。
2. When humans exhale,they expel a plume of carbon dioxide and other odors that travel through the air.
   当人们呼气时会把含二氧化碳及其他气味的气团排放到空气中。