1·Or be the first to find a common species unknown in your area.
或者，你也可能成为你所在区域里第一个发现某个普通品种的人。
2·Or be the first to find a common species unknown in your area.
也许你发现的是一种普通蚂蚁，但你却是第一个发现当地有这种蚂蚁的人。
3·The Desert and Semidesert Region: total 73 species (89%) (including common species);
荒漠半荒漠区：共计73种（占89％，包括共有种）；
4·Cryptosporidium and Giardia axe two common species of pathogenic protozoan, seriously endangering the water quality.
隐孢子虫和贾第鞭毛虫是两种严重危害水质安全的病原性原生动物。
5·"At first I thought it was a common species," Thy said in a press release. "But looking closer, I realized it was something I didn't recognize."
Thy在一份新闻稿中说“起初，我以为它是普通物种，但仔细观察后，才意识到我根本不认识这个家伙。”
6·There are 109 common species including great commorant, little egret, swan goose, osprey, common crane, Indian cuckoo and light-vented bulbul etc.
常见种109种，如普通鸬鹚、白鹭、鸿雁、鹗、灰鹤、四声杜鹃、白头鹎、黑卷尾、红嘴山鸦等。
7·In another example, some previously common species of sea cucumbers at Station m virtually disappeared after 1998, while others became much more abundant.
在另一个例子当中，在1998年以后，M海域中一些以前常见的海参品种几乎已经消失，但同时其他种类的海参却变多了。
8·Any of various deep-bodied marine food fishes of the family Sparidae, especially a common species Pagrus pagrus of Mediterranean and Atlantic waters.
真鲷鲷科各种深色海洋食用鱼之一种，尤指较常见的赤鲷，其生活于地中海和大西洋中。
9·Time spent outdoors is down, roaming ranges have fallen drastically, activity levels are declining and the ability to identify common species has been lost.
孩子们的户外活动时间减少，活动范围急剧缩小，活动水平下降，识别常见生物的能力丧失。
10·And the statistics of 33 species of birds, by means of meeting frequency index, show that there are 5 dominant species, 8 common species and 20 rare species.
并对33种鸟采用遇见频次指数法进行数量统计，其中优势种5种，常见种8种，稀有种20种。