A-side

n (music recorded on the) first or main side of a single-play gramophone record （单曲唱片的）A面, 正面（上的乐曲）.

a lot of, a matter of, a mite, a mountain of, a number of, a point of view, a posteriori, a priori, a problem (for sb.) to do, a scrap of, a series of, a sword of `Damocles, a variety of, a wilderness of, a(an), A, a, a-, A-bomb, A-OK, A-road, A.D., A.M., a/an, a/c, A/S level, AA, AAA, AB, aback, abacus, abaft, abandon, abandon (also abandonment), abandoned, abandonment, abase, abasement, abashed, abate, abatement,