What can you swallow that can also swallow you?

what can you see swallow that can also swallow you? What can you swallow that can also swallow you? What can you swallow than can also swallow you? what can you swallow that 谜语:what can you swallow that can also swallow yuo?快 what can you swallow that can als swallow 脑经急转弯：What can you swallow that can swallow you?(什么东西你能咽下它,它 I can swallow my pride for you 英语翻译原题是One swallow can not make a summer Look before you lea did you swallow a magnet too?I feel like I can't pull one swallow can never [ ]a summer Babies can breathe and can swallow at the same time.