AM是什么意思

be的单数第一人称
[计] 存取管理程序, 寻址方式, 地址标记, 变址数, 调幅, 辅助存储器

n a radioactive transuranic metallic element; discovered by bombarding uranium with helium atoms
n a master's degree in arts and sciences
n modulation of the amplitude of the (radio) carrier wave
v have the quality of being; (copula, used with an adjective or a predicate noun)
v be identical to; be someone or something
v occupy a certain position or area; be somewhere
v have an existence, be extant
v happen, occur, take place; this was during the visit to my parents' house"
v be identical or equivalent to
v form or compose
v work in a specific place, with a specific subject, or in a specific function
v represent, as of a character on stage
v spend or use time
v have life, be alive
v to remain unmolested, undisturbed, or uninterrupted -- used only in infinitive form
v be priced at