发生在海洋中的水华可以覆盖数百平方公里，而且很容易在卫星图像中观测到。
Blooms in the ocean may cover hundreds of square kilometers and are easily visible in satellite images.
华西村江苏省东部0.6平方英里(一平方公里)多岩石土壤上创建的村庄就像这个国家数以百计的贫困村庄一样。
The hamlet of Huaxi, created on 0.6 square miles (a square kilometer) of rocky land in eastern Jiangsu province, was like hundreds of poverty-stricken villages around the country.
这座高达2582米（9357英尺）的成层火山（百科看 这里——译注）顶部被一层30平方公里的冰川（10平方英里）所覆盖，大部分冰雪都积聚在山顶南部和东部因岩浆喷发所形成的盆地中。
The 2,582-meter (9,357-foot) stratovolcano is mantled by a 30-square-kilometer (10-square-mile) glacier field, most of it amassed south and east of the summit in a basin made by a caldera depression.
研究指出，在过去的127年里，海草面积减少了至少五万一千平方公里（相当于一万九千七百平方英里），其中数量的急剧减少是发生在1980年之后（占减少总量的百分之三十五）。
The study said more than 51, 000 sq km (19, 700 sq miles) of grass had been lost in the past 127 years, with largest losses (35 percent) occuring after 1980.
百里峡景区面积约105平方公里，因峡谷百里而得名，以峡谷风光、峰林景观为主体。
Bai Lixia scenic area of about 105 square kilometers, so named because of Barry canyon to canyon scenery, the landscape as the main peaks.
百里峡景区面积约105平方公里，因峡谷百里而得名，以峡谷风光、峰林景观为主体。
Bai Lixia scenic area of about 105 square kilometers, so named because of Barry canyon to canyon scenery, the landscape as the main peaks.
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