在亚洲东部用英语怎么说

"East Asia" 译为中文为 "东亚"。
"East Asia" 来源于英语中的 "East" 和 "Asia"，"East" 意为 "东"， "Asia" 意为 "亚洲"，两者结合成为 "东亚"。
英文例句及中文翻译：
East Asia is home to many different cultures. 东亚是许多不同文化的故乡。
The economy of East Asia is growing rapidly. 东亚的经济正在迅速增长。
East Asia is known for its beautiful landscapes and rich history. 东亚以其美丽的风景和丰富的历史而闻名。