Fluviatile sands deposited by delta distributaries are quartzose . 三角洲分流中沉积的河流砂是石英质的。
2.
The fluviatile trees next the shore are the slender eyelashes which fringe it , and the wooded hills and cliffs around are its overhanging brows 岸边湖水里的树木犹如它的纤细的睫毛，而四周树木掩隐的峰峦叠嶂是它突出的眉毛。
3.
After their initial surprise at the unlikely discovery of about 550 potamon fluviatile scuttling around the centre of the italian capital , they also found that the crabs so enjoy their urban environment that they are growing larger than they would in their natural habitats in sicily and tuscany 对于约有550只溪蟹在义大利首都内四处爬行这个极不可能的发现，动物学家一开始是感到惊讶，他们并发现这些溪蟹享受都市环境，长得比在原栖息地西西里及托斯卡尼都要大。
4.
After their initial surprise at the unlikely discovery of about 550 potamon fluviatile scuttling around the centre of the italian capital , they also found that the crabs so enjoy their urban environment that they are growing larger than they would in their natural habitats in sicily and tuscany 普通的公螃蟹仅有5厘米长，而这些螃蟹大都有7厘米长，且繁殖能力也远比在郊区河中旺盛。科学家认为，这归结于广场地下水渠中水质的优良，而且螃蟹不会受到其它动物的威胁。
5.
A row of sunken dwarf willows borders the stream on one or both sides , while at a greater distance the meadow is skirted with maples , alders , and other fluviatile trees , overrun with the grape - vine , which bears fruit in its season , purple , red , white , and other grapes 沿着溪流的一边或者两侧有一排沉入水中的矮柳，而稍远处，草甸则被枫树、桤木以及其他一些长在河里的树围绕着，葡萄藤则四处蔓延，一到结果实的季节，这里就会长出紫的，红的，白的以及其他各种葡萄来。
