1、evolve

進化；演變

The bright plumage of many male birds has evolved to attract females.

很多雄鳥進化出鮮艷的羽毛是為了吸引雌鳥。

Maize evolved from a wild grass in Mexico.

玉米是從墨西哥的一種野生禾本植物進化而來的。

（使）逐步發展;（使）演化

a tiny airline which eventually evolved into Pakistan International Airlines.

最終發展成巴基斯坦國際航空公司的一家小型航空公司

Popular music evolved from folk songs.

流行音樂從民歌演變而來。

2、transition

轉變;過渡;變革;變遷

The transition to a multi-party democracy is proving to be difficult.

事實證明，向多黨民主制的轉型非常艱難。

a period of transition.

過渡時期

(從某一狀態或活動)轉變，過渡(到另一狀態或活動)

Most of the discussion was on what needed to be done now as we transitioned from the security issues to the challenging economic issues.

隨著我們由安全議題轉向具有挑戰性的經濟議題，討論最多的就是目前需要做些什么。

There was a significant decline in the size of the business as the company transitioned to an intellectual property company.

隨著公司向知識產權公司轉型，其業務規模顯著下降。

3、extremely

（用于形容詞和副詞前）非常，極其

My mobile phone is extremely useful.

我的手機非常有用。

These headaches are extremely common.

這類頭痛非常常見。