单词:lead - acid batteries
单词:lead - acid batteries 相关文章
Helen turned on her flashlight. Nothing happened. The light did not come on. There was no light. What was wrong with her flashlight? She unscrewed the top of the plastic flashlight. Helen took the two batteries out of the plastic tube. She looked at
Helen turned on her flashlight. Nothing happened. The light did not come on. There was no light. What was wrong with her flashlight? She unscrewed the top of the plastic flashlight. Helen took the two batteries out of the plastic tube. She looked at
Adrienne: So, Mary, my battery has almost ran out. I'm so glad you had some but they're cold. Mary: Well, I keep them in my frigerator along with several other sizes of batteries just so I have them on hand. It's a little quirky habit of mine but I a
By Deepak Dobhal Washington 07 November 2007 Scientists in the United States have developed a new kind of battery that looks and feels just like a piece of paper. VOA's Deepak Dobhal reports its inventors say the battery's power and flexibility make
Adrienne: So, Mary, my battery has almost ran out. I'm so glad you had some but they're cold. 埃德里安娜:玛丽,我的电池快没电了。我很高兴你有电池,不过它们太凉了。 Mary: Well, I keep them in my frigerator along wit
Adrienne: So, Mary, my battery has almost ran out. I'm so glad you had some but they're cold. Mary: Well, I keep them in my frigerator along with several other sizes of batteries just so I have them on hand. It's a little quirky habit of mine but I a