Also abundant were mayflies and caddis flies. These invertebrates are indicators of a healthy aquatic ecosystem.

也有大量的蜉蝣和石蛾。这些无脊椎动物是健康水生生态系统的标志。

Also abundant were mayflies and caddis flies.

蜉蝣和石蚕也很丰富。

At last one day he found a caddis, and wanted it to peep out of its house: but its house-door was shut.

终于有一天，他找到了一只石蚕，想让它从屋子里向外张望，但它的房门是关着的。

This requires a more inclusive, and generous, definition of creativity, for it is not a trait obviously exhibited by a prairie dog or caddis fly.

这就需要对创造力有一个更包容广阔的定义，毕竟这可不是草原土拨鼠或石蛾能够明显表现出的特征。

He had never seen a caddis with a house-door before: so what must he do, the meddlesome little fellow, but pull it open, to see what the poor lady was doing inside.

他以前从未见过带房门的石榴石：所以他必须做什么， 爱管闲事的小家伙， 只能把门拉开， 看看可怜的女士在里面做什么。