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1·He suffered from suffusion of blood on the brain.

他患脑溢血。《新英汉大辞典》

2·Pato has an edematous suffusion to the adductor of his right thigh. His conditions will be evaluated in the next few days.

而帕托是右大腿内收肌浮肿，他的状况还需要继续观察。

3·In the west there was a great suffusion of cold red light, which made the sides of the little valley look only more rugged and dusky.

西边落霞满天，一片冷冷的红光，使幽谷两边的山壁看起来只是显得更加皱褶黝黑。