"Spitting up" is quite common for newborns.
新生儿“吐奶”相当常见。
You'd better call the doctor, the boy has been spitting up blood all morning.
你最好叫医生来,这男孩子早上一直在咯血。
You'd better call the doctor, the child had been spitting up blood all morning.
你最好请医生来,这孩子整整一上午都在咯血。
You'd better call the doctor, the child had been spitting up blood all morning.
你最好请医生来,这孩子整整一上午都在咯血。
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