GbEng
这个港口是天然港。 This harbor is a natural harbor.
他们只用天然颜料染毛织品。 They used only natural pigments to dye the wool.
我妹妹每天都吃天然食品，但是我不吃。 My sister eats natural foods every day, but I don't.
天然气的严重缺乏使许多家工厂都停工了。 A severe natural gas shortage shut down many plants.
石油化学制品从石油或天然气中提炼出的化学产品 A chemical derived from petroleum or natural gas.
聚合物许多天然和人工合成的化合物中的任一种，通常具高分子的重量，包含最多可达上百万个的彼此重复且相连的单位，每一个单位都是一个相对较轻和较简单的分子 Any of numerous natural and synthetic compounds of usually high molecular weight consisting of up to millions of repeated linked units, each a relatively light and simple molecule.
撒哈拉沙漠是北非与中非之间的天然屏障。 The Sahara Desert is a natural barrier between north and central Africa.
他们继续往下钻, 终於找到了一些天然气的气阱. They continued down until they came to some pockets of natural gas.
水晶石石英断片，直径4到64毫米（0。16到2。51英寸），尤指天然圆形的石英颗粒 A rock fragment between4 and64 millimeters(0.16 and2.51 inches) in diameter, especially one that has been naturally rounded.
石脑油一种高度挥发性的易燃液态碳氢化合物混合物，从石油、煤焦油和天然气中提炼出来，并用作石油、溶剂和制造各种化合物中 Any of several highly volatile, flammable liquid mixtures of hydrocarbons distilled from petroleum, coal tar, and natural gas and used as fuel, as solvents, and in making various chemicals.
海上养殖在海洋生物的天然栖息地养殖这些生物，通常是出于商业目的 Cultivation of marine organisms in their natural habitats, usually for commercial purposes.
许多医生推荐含有丰富食物纤维的天然食物，因为它有助于防止便秘，以取代万不得已而使用的泻药。原因显而易见－治病总是不如防病。 Many doctors prefer a natural food, rich in dietary fibre, which will help you to avoid constipation, rather than having to resort to purgatives. The reason is obvious-prevention is always better than cure.