What did scientists learn about earthquakes at the area?是什么意

What did scientists learn about earthquakes at the area?是什么意 what did they ( )about at the meeting? 英语翻译Scientists study the world and learn about things using what do you learn from the earthquakes that happened in Sich what did the foreiner say about how to learn English well? 英语翻译What can Danny learn about at the War Hall?(英译汉)What can what did he ____ about traveling at the meeting?A.tell B spe What did your teacher talk about at the class meeting?（该为被动语 Scientists study the world and learn about things using a pr What did they do at the weekend? What did Jack do at the playgroung? what did he _______ at the meeting?