🔍 牛津詞典
🔍 朗文詞典
🔍 劍橋詞典
🔍 柯林斯詞典
🔍 麥美倫詞典
🔍 韋氏詞典 🎯

檢索以下詞典:
(Mr. Ng 不推薦使用 Google 翻譯!)
最近搜尋:

am

am
am
Learner's definition of AM
see be

AM

AM /ˈeɪˌɛm/ noun
AM
/ˈeɪˌɛm/
noun
Learner's definition of AM
[noncount]
: a system for sending radio signals in which the height of a radio wave is changed in order to send information in the form of sound振幅调制;调幅
AM is an abbreviation for amplitude modulation.*AM是amplitude modulation的缩略词。
compare fm

— AM

adjective

am

1 of 5

present tense first-person singular of be

Am

2 of 5

abbreviation (1)

America; American

Am

3 of 5

symbol

americium

AM

4 of 5

noun

often attributive
: a broadcasting system using amplitude modulation
also : a radio receiver of such a system

AM

5 of 5

abbreviation

1
airmail
2
air marshall
3
Air Medal
4
[Latin anno mundi] in the year of the world
often printed in small capitals
5
or a.m. or British am ante meridiem
6
[New Latin artium magister] master of arts
7
associate member
8
chiefly British Assembly Member
9
Ave Maria

Word History

Etymology

Middle English, from Old English eom; akin to Old Norse em am, Latin sum, Greek eimi

Noun

amplitude modulation

First Known Use

Noun

1939, in the meaning defined above

Time Traveler
The first known use of am was in 1939

👨🏻‍🏫 Mr. Ng 韋氏詞典 📚 – mw.mister5️⃣.net
切換為繁體中文
Site Uptime