原形：insulator复数：insulators

Its use determines whether it is treated as a conductor or an insulator.
它的用途决定它被当做是导体还是绝缘体。
Fat is the excellent insulator against the cold.
脂肪是极好的抵御寒冷的绝热体。
The atoms of an insulator hold the electrons very tightly.
绝缘体的原子把电子抓得很牢。
The rubber coating on the wire serves as an insulator, preventing electrical current from escaping.
电线上的橡胶涂层充当绝缘体，防止电流外泄。

Glass is a good insulator; it doesn't conduct heat or electricity well.
玻璃是一种良好的绝缘体；它不善于导热或导电。
The thickness of the insulator determines how effectively it can prevent the flow of electricity.
绝缘体的厚度决定了它能多有效地阻止电流的流动。
In winter, animals often seek shelter in insulators like hollow trees to avoid losing body heat.
冬天，动物常在像空心树这样的绝缘体中寻找庇护所以避免身体热量流失。
The plastic casing around the electrical wires acts as an insulator, ensuring safety.
电线周围的塑料外壳充当绝缘体，确保安全。
The use of ceramic insulators in high-voltage power lines is common due to their excellent resistance to electrical current.
由于陶瓷绝缘体对电流具有极好的抵抗力，因此在高压输电线中使用很普遍。
The double-glazed windows in this building serve as both insulators against noise and heat loss.
这栋建筑中的双层玻璃窗既可隔音也可防止热量散失，起到双重绝缘作用。
The silicon layer in semiconductors acts as both an insulator and a conductor, depending on its doping.
半导体中的硅层根据其掺杂情况，既可以充当绝缘体也可以充当导体。
Insulators are crucial components in electrical circuits, preventing short circuits and ensuring efficient energy transmission.
绝缘体是电路中的关键组件，可防止短路并确保能量有效传输。
The metal handle of the pan has a plastic cover which acts as an insulator to protect the user from electric shock.
锅的金属手柄上有一个塑料套，作为绝缘体以保护用户免受电击。