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我开始咳血，所以他们把我送到了一家医院。
I started coughing blood so they transferred me to a hospital.
《柯林斯英汉双解大词典》
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在某些情况下，心衰患者咳血痰。
In some cases, people with heart failure cough up bloody phlegm.
youdao
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他回到巴黎开始咳血。
On his return to Paris he began coughing up blood.
youdao
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他那时一直在咳血。
He'd been coughing up blood.
youdao
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他咳血了。
He has coughed blood.
youdao
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他咳血了。
He has coughed blood.
youdao