1·This natural wonder faces two threats.
这样的自然奇观面临着两个威胁。
2·Turn again to chitosan, a true natural wonder.
再说壳聚糖，一个自然奇迹。
3·They come in droves to see the natural wonder.
他们一群群地来参观这一天然奇迹。
4·It's worth seeing. It's really a natural wonder.
它绝对值得一看。真是大自然的奇迹啊！
5·Because it's the best-known natural wonder in China.
因为它是中国最著名的自然奇观。
6·This area, north of Sichuan Province, is a unique natural wonder.
这个地区，位于四川省北部，是独特的自然景观。
7·The Great Barrier Reef is a World Heritage-listed natural wonder.
大堡礁是列入世界遗产名录的自然奇观。
8·The tourism resources of Fuqing Shizhu Lake is high level scenic and natural wonder.
福清石竹湖旅游资源是具有较高水平的风景资源。
9·Today, they remain a natural wonder that may not survive the building of the world's biggest dam.
如今这个天然奇景也许会因大坝工程而消失。
10·A natural wonder of the world, the Grand Canyon is 1,500 meters deep and more than 20 kilometers wide by 150 kilometers long.
作为世界上的一大自然奇迹，大峡谷有1500米深，超过20公里宽、150公里长。