Respifral
异丙肾上腺素
🗣️ 情景例句
If you watch carefully you will see how to do it.
你若细心观察，就会知道怎么做这件事。
No man learns but by pain or shame.
不经痛苦羞辱，难以取得教训。
I'm very disappointed.
真让我失望。