ma
/mɑ:; mɑ/ n
(infml 口) (usu used to address sb 通常用作称呼语) mother 妈; 妈妈
I'm going now, ma. 我要走了, 妈妈.
He always does what his ma tells him to. 他总是很听妈妈的话.
MA / ˌem ˈeɪ; ˌɛm `e/ (US AM) Master of Arts 文科硕士
have/be an MA in Modern Languages 有现代语言硕士学位[为现代语言硕士]
Marion Bell MA (London) 马里恩?贝尔文科硕士（伦敦大学）.