But Israeli spokesman Zalman Shoval says with Iran's president still threatening to wipe the Jewish state "off the map", Israel is making no promises.

VOA: standard.2009.07.26

He was interested in math and in geography, and thus in maps and map making.

彼得对数学和地理也很感兴趣,进而喜欢地图和制图

耶鲁公开课 - 欧洲文明课程节选

He was interested in math and in geography, and thus in maps and map making.

彼得对数学和地理也很感兴趣,进而喜欢地图和制图

耶鲁公开课 - 欧洲文明课程节选