他咳嗽了，呕出了一根鱼骨头。
婴儿在喂奶后，回呕出一点儿奶是常有的事。
It is common for an infant to spit up a little milk after being fed.
婴儿在喂奶后，回呕出一点儿奶是常有的事。
It is common for an infant to spit up a little milk after bing fed.
婴儿在喂奶后，回呕出一点儿奶是常有的事。
It is common for an infant to spit up a little milk after bing fed.
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