n.美国;美洲
Are you going to America by boat or by plane? 你到美国是坐船还是坐飞机?
It's time for us to say "No" to America. 是我们对美国说不的时候了。
One of his forefathers was an early settler in America. 他的祖先之一是美洲的早期移民。
从习惯上来说,America指“美国”。但从严格意义上来说,America指的是“美洲”,而非“美国”。“美国”是the United States (of America),“美国人”是citizen of the United States (of America);
指“美国北部”时,不可用North America来表达,而应该用the North of the United States;
the Americas指“南北美洲”。