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cold-blooded
01
変温動物 (へんおんどうぶつ), 冷血動物 (れいけつどうぶつ)
describing an animal that its body temperature changes depending on the temperature of its surroundings
Example
Snakes are cold-blooded animals that bask in the sun to raise their body temperature for optimal activity.
Turtles, as cold-blooded creatures, rely on warm environments to regulate their body temperature.
Motionless on riverbanks, crocodiles, cold-blooded reptiles, absorb heat from the sun.
02
冷酷な, 無情な
showing no emotion or sympathy
Example
The detective described the crime as a cold-blooded act of violence.
The villain 's cold-blooded demeanor made him a feared character in the story.
She was shocked by his cold-blooded response to the tragic news.
