expand /ɪkˈspænd/ CET4 TEM4 ( expanding, expanded, expands )

• 1. 

  V-T/V-I If something expands or is expanded, it becomes larger. 扩大; 膨胀

  例：

  Engineers noticed that the pipes were not expanding as expected.

  工程师们注意到管子并未像预期的那样膨胀。

  例：

  We have to expand the size of the image.

  我们不得不扩大图像的尺寸。

• 2. 

  V-T/V-I If something such as a business, organization, or service expands, or if you expand it, it becomes bigger and includes more people, goods, or activities. 使…发展; 发展 [商业]

  例：

  The popular ceramics industry expanded toward the middle of the 19th century.

  大众陶瓷业在19世纪中叶得到了发展。