罗马人使用天然颜料染布和刷墙。
The Romans used natural pigments on their fabrics and walls.
佛罗里达柑桔有一种天然的甜味。
这个巨大的天然港是船舶的避风港。
长江是东北方向的一道天然屏障。
这种清漆有6种天然木材的色泽可选。
大熊猫的天然栖息地是竹林。
香水和皮肤的天然化学物质相互作用。
丝绸和羊毛之类的纯天然织物比合成纤维更加保暖。
Natural fabrics like silk and wool are better insulators than synthetics.
她的膳食是由未受农药、盐或精制糖污染过的天然食品构成的。
Her diet consisted of natural food, uncontaminated by pesticides, salt or refined sugar.
一家财团计划修建一条从俄罗斯向德国东部供应天然气的管道。
A consortium plans to build a natural-gas pipeline from Russia to supply eastern Germany.
你还可以享受天然泥制面膜，灰色的泥，光滑、柔软,像黄油一样易塑。
You can also enjoy mud packs with the natural mud, smooth, grey, soft, and plastic as butter.
天然酶对人和动物都是有害的。
尼亚加拉瀑布是世界天然奇景之一。
The Niagara Falls is one of the natural wonders of the world.
地中海是魔鬼鱼的天然栖息地。
燕山是北京的天然屏障。
因此，她成功制造出一种仅使用天然甜味剂的糖果。
Consequently, she succeeded in making a kind of candy only using natural sweeteners.
很明显，乙烯是水果中天然的植物激素，使水果成熟。
Ethylene is the natural plant hormone in fruit that makes them turn ripe, apparently.
此外，天然染料往往是浑浊的颜色而且它们很快褪色。
Further, natural dyes tended to be muddy in hue and fade quickly.
除此之外，将天然生成的物质加热转化的过程也是如此。
Apart from that, the process of heating up naturally occurring materials to transform them is the same.
那就是有机滋润型肥皂和沐浴露使用纯天然原料的原因。
That is why organic moisturizing soap or shower gel uses fully natural ingredients.
我们周围是一个天然的场地，非常适合散步、攀岩和骑车。
we are surrounded by a natural playground just perfect for walking, climbing and cycling.
传统上，衣服是由天然材料制成的，如棉花、皮革和羊毛。
Clothes are traditionally made of natural materials, such as cotton, leather and wool.
我们祖先所做的是在我们的皮肤细胞中产生更持久的天然色素。
What we did in our ancestry was to produce more permanent natural coloring in our skin cells.
牛角面包的味道应该是浓郁的黄油味，并带有天然奶制品的甜味。
The flavor of a croissant should be intensely buttery with a natural dairy sweetness.
Siduria最近实施了一项计划：将供暖来源从石油改为天然气。
Siduria recently implemented a program to convert heating systems from oil to natural gas.
“天然”森林的神话一直存在，但实际上在欧洲没有现存的“原始”森林。
The myth of the "natural" forest has survived, yet there are effectively no remaining "primary" forests in Europe.
基本上，我们的皮肤变黑了，从而在失去毛发的部位起到天然的防晒作用。
Basically, we turned our skin darker to serve as a natural sun-protector in the place of the hair we lost.
BBC新闻指出，人体会受到能产生“幸福感”的天然化学物质的影响。
The human body is influenced by natural chemicals that produce "a sense of happiness", noted BBC News.
他的天然气的微薄份额必须省下以备急用。
His meagre allotment of petrol had to be saved for emergencies.
天然材料填充的羽绒被必须由专业人士干洗。
Natural-filled duvets must be dry-cleaned by a professional.
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