1 [C,U] the distance between the two sides of sth 宽度: We measured the length and breadth of the garden. 我们量了园子的长度和宽度。

2 [U] the wide variety of things, subjects, etc that sth includes 广度；包罗之广: I was amazed by the breadth of her knowledge. 她的博学叫我惊叹。 ☞adjective broad 形容词为 broad