1610s, "anything spread out;" 1640s, "act of expanding," from French expansion, from Late Latin expansionem (nominative expansio) "a spreading out," noun of action from past participle stem of Latin expandere "to spread out" (see expand).
双语例句
1. 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。
来自柯林斯例句
2. 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。
来自《权威词典》
3. the expansion and contraction of the metal
金属的膨胀与收缩
来自《权威词典》
4. a period of rapid economic expansion
经济迅猛发展期
来自《权威词典》
5. We mustn't attempt unrestricted expansion regardless if it is within our capacity.
