n.[C]

1. 伴随物；附加物
   Disease is an accompaniment of poverty.

   疾病伴随贫困而发生。

2. 【音】伴奏；伴唱
   She sang to a piano accompaniment.

   她在钢琴伴奏下演唱。

n.

1. a musical part which supports or partners an instrument, voice, or group.
2. something that supplements or complements something else.