expansion

expansion的英语例句

1. the expansion and contraction of the metal

   金属的膨胀与收缩

2. This revolutionary expansion required energetic nation-building policies.

   这种跨越式的扩张需要有活力的国家建设政策。

3. The memory expansion cards are useful adjuncts to the computer.

   内存扩充卡是计算机很有用的附件。