今天我们要学的词是 inform, inform is spelled i-n-f-o-r-m, inform. To inform 意思是通知。美国国土安全部准备推出新的恐怖袭击预警系统。国土安全部部长约翰逊表示，Security officials need to do a better job of informing the public about global terrorist threats and providing guidance.