sea otter fur
常見例句
- Polar bear hair is hollow to trap air for insulation while the sea otter has the densest fur with125000hairs per cm2.
北極熊的毛發(fā)是中空的，用以困住絕緣空氣層；海獺的毛皮稠密到每平方公分十二萬根。 - America's westward expansion went hard on the California sea otter, which seemed to vanish in the first half of the 19th century, an unlucky victim of the fur trade.
19世紀(jì)上半葉以來，加州海獺成為毛皮貿(mào)易的受害者并漸漸的消失，而美國的西部擴(kuò)張運(yùn)動(dòng)更讓其生活變得日益艱難。 返回 sea otter fur