| 单词 | sanguine | 
| 释义 | sanguinesanguine /ˈsæŋgwɪn/ adjective formal 1cheerful and hopeful about the future SYN optimistic: sanguine about Collins was not sanguine about the team’s prospects.2red and healthy-looking SYN ruddy:  a sanguine complexion [Origin: 1300–1400 French sanguin, from  Latin sanguineus, from  sanguis blood]—sanguinely adverb | 
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