These bats can distinguish between the two, and not just with trees, but with any echo that comes in a smooth or rough shape.
这些蝙蝠能够区分这两种声音，不仅仅是通过树木的回声，而是通过任何平滑或粗糙的回声。
Open it and go straight ahead: always straight ahead, over level or steep, over smooth or rough, over dry or wet.
始终笔直往前走去，经过平坦的或是陡峭的地方，经过干燥或潮湿的地方。
In the texture category, the researchers tested metaphors such as "having a rough day" and "using coarse language," by giving people a puzzle to solve that was either smooth or covered in sand paper.
在有关质地的调查中，研究人员通过给人们猜一个或是表面光滑，或是用砂纸包裹的谜语，来测试诸如“不舒服的一天”、“讲粗鲁的话”等比喻。
After watching snakes wriggle up rough fabric surfaces or (less successfully) smooth surfaces, scientists from New York University and elsewhere say the secret is in the scales.
在观察蛇在粗糙面表面和光滑表面的爬行之后，纽约大学及另外一些科学家表示蛇爬行的秘密在于它的鳞片。
One way - the most obvious - is by giving shoppers information they can't get otherwise, such as how much the object weighs, how soft or hard it is, how rough or smooth it feels.
第一种情况是最明显的，就是顾客只有通过触摸该商品才能了解它的重量、柔软度和舒适度。
Pay as little attention to discouragement as possible. Plough ahead as a steamer does, rough or smooth--rain or shine.
不要去注意那些使你气馁的事情，无论你的道路是崎岖，是平坦，总当像一只轮船一样——不管雨天，晴天，依然向前行驶。
Elphants have their own way to tell the shape of an object and whether it is rough or smooth.
对于判断一个物体的形状以及它是粗糙的还是光滑的，大象有自己的方式。
I feel the delicate symmetry of a leaf. I pass my hands lovingly about the smooth skin of a silver birch, or the rough shaggy bark of a pine.
我感到树叶的对称美，用手摸着白桦树光滑的树皮或是松树那粗糙的厚厚的树皮。
A wavy irregularity in the surface of a coating film created by the flow characteristics. Orange peel appears as an uneven or rough surface to the eye, but usually feels smooth to the touch.
因为流动的特性在涂层的表面产生的不规则的波纹，肉眼看上去桔纹是一种不平坦的和粗糙的表面，但触摸上去是光滑的。
I pass my hands lovingly about the smooth skin of a silver birch, or the rough shaggy bark of a pine.
我用手摸着白桦树光滑的树皮或是松树那粗糙的厚厚的树皮。
I feel the dedicate symmetry of a leaf. I pass my hands lovingly about the smooth skin of a silver birch or the rough shaggy bark of a pine.
我感到树叶的对称美，用手摸着白桦树光滑的树皮或是松树那粗糙的厚厚的树皮。
The additives are uniformly distributed throughout the fiber cross section and longitudinal sections show relatively smooth or grainy, rough surfaces depending on the additive used.
添加剂均匀分布在整个纤维的横截面和纵剖面中。根据使用的添加剂，显示出相对光滑的或颗粒状的粗糙表面。
The endoplasmic reticulum, a lacy array of membranous sacs, tubules, and vesicles, may be either rough(RER) or smooth (SER).
内质网，是一些不规则排列的膜囊，小管，和液泡组成的。
Without any expression in my face, whether sad or glad, only by soft smiling, can I smooth the rough sea in my heart.
没有任何的表达我的脸，不管是悲伤还是高兴，只有软面带微笑，我可以顺利的风浪在我的心里。
The endoplasmic reticulum, a lacy of membranous sacs, tubules, and vesicles, may be either rough(RER) or smooth (SER).
内质网，是一些不规则陈列的膜囊，小管，和液泡组成的。
Since that time, whether your path has been rough with troubles, or smooth with mercies, it has been full of proofs that you are a man greatly beloved.
从那时起，无论你的路上充满困难艰辛或祝福平顺，都充份证明你是大蒙眷爱的。
Since that time, whether your path has been rough with troubles, or smooth with mercies, it has been full of proofs that you are a man greatly beloved.
从那时起，无论你的路上充满困难艰辛或祝福平顺，都充份证明你是大蒙眷爱的。
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