cold-blooded
01
冷血的, 变温的
describing an animal that its body temperature changes depending on the temperature of its surroundings
例子
Turtles, as cold-blooded creatures, rely on warm environments to regulate their body temperature.
乌龟作为冷血动物，依赖温暖的环境来调节体温。
02
冷血的, 无情的
showing no emotion or sympathy
例子
The villain 's cold-blooded demeanor made him a feared character in the story.
反派的冷酷态度使他在故事中成为一个令人恐惧的角色。
