Grammar Note
作为可数名词，通常指加热器或取暖器，也可指替补席上的队员（如 bench warmer）。
加热器；保温器
先理解核心含义，再看它在真实句子里的用法。
加热器；保温器
a thing that warms something else
She bought a bottle warmer to heat the milk quickly.
她买了一个暖奶器来快速加热牛奶。
通过提供少量热量加热其他物体的东西,如热水袋或汤。
Something that warms (something else) by providing some small amount of heat, such as a hot water bottle or a soup.
通过隔绝体温来保暖的衣物。
A piece of clothing for warmth via insulation of body heat.
课堂等中为激发对某话题的兴趣而进行的导入活动。
An introductory activity, for example in a lesson, to stimulate interest in a topic.
The old cat slept beside the warmer all winter.
那只老猫整个冬天都睡在取暖器旁边。
We each carried a hand warmer during the mountain hike.
山中徒步时我们每人都带了一个暖手器。
Choose the next layer that will help you use warmer with more confidence.
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作为可数名词，通常指加热器或取暖器，也可指替补席上的队员（如 bench warmer）。
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.