试管

Armed with shovels, shears, nets and clipboards, citizen-scientists across the country are discovering that observation is often the most critical step in identifying pollutants and protecting their own backyards and district waters.

带着铁锹，大剪刀，网和写字板，全国各地的科学家发现，观测常常是最关键的一步，识别污染物和保护自己的后院和当地的水源。

William Golding; death instinct; persona ; shadow; archetype of characters ; evil; hope

威廉·戈尔丁；死亡本能；人格面具；阴影；原型人物形象；人性恶；希望