美国捷运公司

anglo-american

AO(American opticol)

American General

Thuja occidentalis L.;American Arbor-Vitae;common Arbor-Vitae

American College of Nurse-Midwives

Vaccinium macrocarpon Ait.;large or american cranberry

American Board for Ophthalmic Examinations

American Association for the Surgery of Trauma