1、encounter

遇到，遭遇（問題、困難）

Every day of our lives we encounter stresses of one kind or another.

我們在每天的生活中會面臨這樣或那樣的壓力。

Environmental problems they found in Poland were among the worst they encountered.

他們在波蘭發現的環境問題是他們遇到過的最嚴重的。

偶遇;邂逅

Did you encounter anyone in the building?

你在大樓里遇到誰了么？

Renata wrote him that she had encountered her long-estranged father.

雷娜塔寫信告訴他說她碰到了分離多年的父親。

偶遇;邂逅;(重要的)相逢

The author tells of a remarkable encounter with a group of South Vietnamese soldiers.

作者講述了和一群南越士兵的奇遇。

2、evolution

進化

the evolution of plants and animals.

動植物的進化

the theory of evolution by natural selection.

自然選擇的進化論

演變;演化;演進;發展

a crucial period in the evolution of modern physics.

現代物理學演化過程中的重要時期

an accurate account of his country's evolution.

對他的國家演進的準確描述