n.

1. 發展，進展[U]
   the evolution of modern aircraft

   現代飛機的發展

   We studied the evolution of flowers from seeds and buds.

   我們研究從種籽和花蕾到花的成長過程。

2. （生物的）進化，演化；進化論[U]
   Darwin's theory of evolution

   達爾文的進化論

   In the course of evolution, some birds have lost the power of flight.

   在演化過程中一些鳥失去了飛行的能力。

3. （氣體的）放出[U]
4. 進化出來的東西[C]

n.

1. the process by which different kinds of living organism are believed to have developed from earlier forms, especially by natural selection.
2. gradual development.
3. Chemistry  the giving off of a gaseous product, or of heat.
4. a pattern of movements or manoeuvres.
5. Mathematics,  dated the extraction of a root from a given quantity.