| 单词 | cold-blooded |
| 释义 | cold-blooded (once / 3088 pages) adj A cold-blooded animal has a body temperature that varies along with the outdoor temperature, and a cold-blooded person is someone who seems to feel no emotions. Your pet lizard may love you, but she's still cold-blooded. During a hot, sunny day, a cold-blooded animal like a snake experiences a rise in body temperature, which it can only moderate by finding a shady spot to hide. When the sun goes down at night, a snake's body temperature falls. Cold-blooded people, on the other hand, regulate their body temperature even when it's chilly outside, like other warm-blooded animals. They're cruel and unfeeling, though. This meaning comes from the old-fashioned belief that blood temperature rises with emotion. WORD FAMILYcold-blooded: cold-bloodedly USAGE EXAMPLESOn Monday, in a shocking, cold-blooded assassination, the Russian ambassador to Turkey was shot dead in a gallery in Ankara. The Guardian(Dec 21, 2016) “I think the defendant’s cold-blooded actions here were just devastating to that family.” Los Angeles Times(Nov 29, 2016) You thank God that you’re dealing with a narcissist, not a cold-blooded killer. Slate(Nov 29, 2016) 1adj having cold blood (in animals whose body temperature is not internally regulated) Syn|Ant ectothermic, heterothermic, poikilothermic, poikilothermous of animals except birds and mammals; having body temperature that varies with the environment warm-blooded having warm blood (in animals whose body temperature is internally regulated) homeothermic, homoiothermic, homothermicof birds and mammals; having constant and relatively high body temperature 2adj without compunction or human feeling Syn cold, inhuman, insensate inhumane reflecting lack of pity or compassion |
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