伴[bàn] 基本解释：
新英汉大词典：
- 伴[bàn]
- 名词- （伙伴; 伴侣） companion; partner:
travelling companions;旅伴
dancing partner;舞伴
- 动词- （随同; 配合） accompany:
follow; accompany;陪伴
Lightning usually accompanies thunder.闪电通常伴有雷声。
以上内容来源于：《新汉英大辞典》
例句与用法：
The singer was accompanied at/on the piano by her sister.
He sang to a piano accompaniment.
Lightening is usually accompanied by thunder.
I do like you accompanying me.
The atomic explosion is always accompanied by huge fireball.
The singer was accompanied by her sister at the piano.
Lightning usually accompanies thunder.
The singer was accompanied at the piano by his pupil.
伴的其他解释: