1·I faint at the sight of blood.
我一看见血就晕。
—— 《柯林斯英汉双解大词典》
2·I have been known to faint at the sight of blood.
大家都知道，我看到血就会昏倒。
—— 《牛津词典》
3·There were pools of blood and gore on the pavement.
人行道上有一滩滩鲜血和凝血。
—— 《柯林斯英汉双解大词典》
4·He has even cut himself shaving. There is a speck of blood by his ear.
他甚至在刮脸时划伤了自己。他耳边有一点血迹。
—— 《柯林斯英汉双解大词典》
5·He felt faint at the sight of blood.
他一见到血就发晕了。
—— 《新英汉大辞典》
6·He learned a lesson at the cost of blood.
他以血的代价吸取了教训。
7·I can't stand the sight of blood and I can't stand pain.
我看不了流血，也忍不了疼痛。
8·The lessons learned at the cost of blood helped to sober us.
血的教训使我们的头脑清醒了。
—— 《新英汉大辞典》
9·The bubbles block the flow of blood to vital organs, and can ultimately lead to death.
这些气泡会阻碍血液流向重要器官，并最终导致死亡。
10·Strokes and heart attacks occur when blockages in the arteries supplying the brain or heart muscles cut off the supply of blood to tissues.
当供应大脑或心脏肌肉的动脉阻塞，进而切断组织血液供应时，就会出现中风和心脏病发作的情况。