electric hot water bottle

例句：

1. 1.The electric light bulb flickers in thedark.
   在黑暗中，电灯闪烁不定。
2. 2. Electric cars are becoming more popular.
   电动汽车越来越受欢迎。
3. 3. The electric guitar is a greatchoice for beginners.
   电吉他是初学者的好选择。