east /i:st/ I. n. (the)东:Japan is to the east of China. 日本在中国东方。‖II. adj.东的,东方的: on the east side of the street 马路的东边 ‖III. adv. 向东:The ship sailed east.船向东航行。


eastern /ˈi:stən/ adj.东方的,东部的:an eastern custom 东方的风俗;the eastern coastline of China 中国东部海岸线;the Eastern Hemisphere 东半球;the eastern frontier of France 法国的东部边界 ]不能说an east custom, 专有名词多用east, 例如: East China Sea 东海; East lndies 东印度群岛