USA
/ˌjuː.esˈeɪ/ (bre, ipa) · [jˌuˌɛsˈe] /ˌjuː.esˈeɪ/ (ame, ipa)
USA — 名詞
1. the short written form of the country name, referring to the nation in North Ame
美國
北美洲國家，由50州組成
the short written form of the country name, referring to the nation in North America made up of 50 states, used in everyday speech and writing as a proper noun
Liang moved to the USA to study computer engineering at a university in Texas.
梁搬到美國，在德州的一所大學攻讀電腦工程。
move to the USA — relocation pattern with definite article
The USA has some of the most famous national parks in the world.
美國擁有世界上一些最著名的國家公園。
the USA + singular verb — subject-verb agreement
Sari's company sells handmade wooden furniture to buyers across the USA.
莎莉的公司向美國各地的買家出售手工木製家具。
Chiara and her family drove across the USA during their summer vacation.
琪亞拉和家人趁暑假開車橫越美國。
Many international students choose to study in the USA every year.
每年有許多國際學生選擇到美國求學。
The teacher asked the class what the letters USA stand for.
老師問全班同學，USA 這三個字母代表什麼。
Hamza wrote USA on the customs form before mailing the package to Chicago.
哈姆札在寄包裹到芝加哥之前，在報關單上寫了 USA。
The label on the box of cereal said Product of USA in small print.
麥片盒上的標籤用小字印著 Product of USA。
Ilan scrolled through the country menu on the booking site and selected USA.
伊蘭在訂票網站上瀏覽國家選單，然後選擇了 USA。
On the online form, passengers had to pick USA from the list of nationalities.
在線上表單中，乘客必須從國籍清單中選取 USA。
- the United States
the full noun form; more formal than 'USA'
- America
informal one-word name for the country; can also refer to the continents
- the States
informal, used mainly in spoken English
- US
shorter common abbreviation; used more often as an adjective (US citizen)
- U.S.A.
older written form with periods between the letters
文法句型
the USA + singular verb
in / to / from the USA
用法筆記
In running text, USA is most often used with the definite article (the USA) as the subject of a sentence. However, it commonly appears WITHOUT the article on addresses, customs forms, shipping labels, product packaging, and website country-selector menus — for example, 'Product of USA' or 'select USA from the list.' In modern English, the abbreviation is usually written without periods (USA), though the older dotted form (U.S.A.) still appears in some formal or traditional contexts.