时间:2018-12-13 作者:英语课 分类:与美国小学生一起学英文第1册


英语课

   Light Bulb 1 电灯泡


  Before the light bulb was 2 invented 3, there was only a candle to light up a room. 在电灯泡未发明之前,只有蜡烛能照亮屋子。
  Finally 4, in 1879 Thomas Edison invented the light bulb. 最终,1879年,爱迪生发明了电灯泡。
  The first light bulb lasted only 13 hours. 第一盏电灯泡的寿命只持续了13个小时。
  But later 5 Edison developed 6 a new light bulb which lasted up to 1,200 hours in 1880. 但后来,爱迪生在1880年研发了一种寿命能持续1200多个小时的新型电灯泡。

1 bulb
n.电灯泡,球状物
  • The bulb of the eye is important for us.眼球对于我们来说非常重要。
  • We'll have to change the bulb again.我们又得换个灯泡了。
2 was
v.(is,am的过去式)是,在
  • He said he was right.他说他是正确的。
  • He was cold and hungry.他又冷又饿。
3 invented
n.虚拟v.发明,创造( invent的过去式和过去分词 );编造
  • Esperanto was invented as an auxiliary language. 世界语是作为辅助语发明的。
  • Who invented the steam engine? 谁发明了蒸汽机?
4 finally
adv.最后地;最终
  • We can finally take a rest.总算是可以休息了。
  • Finally,they won the game.结果他们打赢了。
5 later
adv.过后,后来;adj.以后的,更后的,较晚的
  • He didn't turn up until half an hour later.半小时后他才出现。
  • This part of the hospital was built on later.医院的这个部分是后来增建的。
6 developed
adj.先进的;发达的(国家或地区)
  • financial aid to less developed countries 对欠发达国家的经济援助
  • We have developed rapid order processing to expedite deliveries to customers. 我们已创造了快速处理订单的方法以便迅速将货物送达顾客。
标签: 小学英语