词汇点睛
break out爆发
[观察| World War ll broke out in Europe in 1939 and ended in 1945.二战于1939年爆发于欧洲，于1945年结束。
探究] break out意为“爆发”，常指战争、灾难、疾病或者争吵等事件的发生。

record n.记录
[观察| You should keep a record of your expenses.你应该记下你的各项开支。
[拓展] (1)record作名词，还可译为“纪录”。record的相关短语:break a record打破纪录makelset a record创造纪录
keep/hold a record保持纪录
She holds the world record for long distance swimming.她保持着长距离游泳的世界纪录。

thought n.想法，看法，主意[观察]Put your thoughts into action.把你的思想付诸行动。
l thought something might be wrong.我想可能是哪里出错了。