Usually there is only one or two a year bright enough to be seen with the naked eye.
通常，一年只有一到两颗彗星明亮得肉眼可见。
Don't read or write in poor or bright light because it can cause eye tiredness.
不要在弱光或强光下阅读或写作，因为这会造成眼睛疲劳。
This is because their colors are not bright enough to be noticed by the human eye.
这是因为它们的颜色不够明亮，无法被人眼注意到。
Winter or summer, hours of bright sunlight can burn the surface of the eye, causing a temporary but painful condition known as photokeratitis.
无论冬夏，数小时明亮的阳光都可以灼伤眼球表面，使之感到短暂的疼痛。这种病状叫做光致角膜炎。
The marked color contrast between Mars and the bright blue star was easy to discern by eye, but is further enhanced in the picture through the use of a diffusion filter.
火星与明亮的蓝色恒星醒目的颜色对比用肉眼很容易辨认，而这张图用了滤色镜更增强了这种对比。
Messier 64 (M64) has a spectacular dark band of absorbing dust in front of the galaxy's bright nucleus, giving rise to its nicknames of the "Black Eye" or "Evil Eye" galaxy.
它拥有明亮的核心区域和位于前端的壮观的黑色镶边（由尘埃组成），这些外观特征形象地赋予它“黑暗之眼”和“邪恶之眼”这两个昵称。
But even then, to the naked eye Mars appeared as nothing more than an extremely bright yellowish-orange star, not at all like the full moon.
可即便如此，在肉眼下当夜的火星也不过就是茫茫苍穹之间一颗颇为明亮的橘红色小点，和满月丁点可比性没有啦。
If you were a teardrop; in my eye, For fear of losing you, I would never cry. And if the golden sun, Should cease to shine its light, Just one smile from you, would make my whole world bright.
如果你是我眼里的；一滴泪；为了不失去你；我将永不哭泣；如果金色的阳光；停止了它耀眼的光芒；你的一个微笑；将照亮我的整个世界。
Its unusually large nucleus gave off a great deal of dust and gas - estimated at roughly 18 to 25 miles (30 to 40 kilometers) across - appeared bright to the naked eye.
它异常巨大的彗核释放出大量的尘埃和气体——其彗核直径估计有18到25英里(30到40公里)——使它能够被肉眼清晰地看见。
"That's Herbie's butterfly," Nick said, his eye going to the bright spot of color.
“那是赫比的蝴蝶！”尼克说，他的只注意到了那个彩色的亮点。
Its unusually large nucleus gave off a great deal of dust and gas -estimated at roughly 18 to 25 miles (30 to 40 kilometers) across -appeared bright to the naked eye.
它异常巨大的彗核释放出大量的尘埃和气体——其彗核直径估计有18到25英里(30到40公里)——使它能够被肉眼清晰地看见。
The chill wind on her cheek was Elizabeth's breath. The glint of a river seen through winter trees was the bright spark of malice in Elizabeth's eye.
那惨白的天空变成了伊丽莎白的面庞，刺痛脸颊的寒风仿佛是伊丽莎白的呼吸，而在冬日树林中闪耀穿行的河水则是伊丽莎白眼中的凶光。
Cook predicts the especially bright Comet McNaught C/2009 R1 will put on a worthy show for the unaided eye.
库克预言，这颗极其明亮的麦克诺特彗星C/2009R1绝对会让我们的肉眼“不枉此看”。
At left, you can see that most digital cameras struggle when there are very bright brights and very dark darks in the same photo; they don’t perceive as wide a range of brightness as your eye does.
左边那张是多数普通数码相机照出的效果，要么非常的亮，要么非常的暗，它不能像你的眼睛一样有很广的感光范围。
The unique design both inside and outside the whole good uniformity of illumination lamps, light, soft and comfortable yet bright, with rural alleviate eye fatigue.
内外独特的设计使整个灯具的照度均匀性好，光线柔和舒适而不失明亮，可有郊缓解眼睛疲劳。
Harry sat up and examined the jagged piece on which he had cut himself, seeing nothing but his own bright green eye reflected back at him.
哈利坐起来检查了一下把他弄伤的那个不规则的镜子碎片，但是只看到自己那明亮的绿眼睛在望着他。
And please, please — leave the blue, turquoise, bright green (and all other jewel-tone) eye shadows for next Halloween.
还有，拜托，拜托，把那些蓝色啊、松石色啦、亮绿(和其他所有的珠宝色调)的眼影留到明年万圣节再用哈。
The iris works just like the iris on a camera; if it's a bright day, and lots of light tries to enter the eye, then the iris will close down limiting the amount of light that can enter.
虹膜的工作机理如同照相机的光圈。天气晴朗时，虹膜将会变小以限制通光量。
The deep orange "cape" can be spread in display, appearing as an alternating black and orange fan that covers all of the face except its bright yellow eye, with a pinpoint black pupil.
深橙色的“海角”，可以传播展示，显示为黑色和橙色交替风扇，但其涵盖的眼睛明亮的黄色面，以查明黑色瞳孔。
Harry sat up and examined the jagged piece on which he had cut himself, seeing nothing but his own bright green eye reflected back at him.
哈利直起身子，仔细端详着那块划伤他手指、边缘不齐的碎片，在里面只看见自己的一双明亮的绿眼睛。
Glinting in the sunlight as it circles planet Earth, the NanoSail-D solar sail will periodically be bright and easily visible to the eye.
当Nanosail-D环绕地球运行时，会周期性地闪烁出光亮，使人能（通过仪器）轻易地用眼睛看到。
For each glance of the eye so bright and black.
你乌黑澄澈的眼睛每一次闪烁。
An eye more bright than theirs, less false in rolling.
君眼更明亮，却少妖媚气。
We head down a motorbike-wide road, past Burmese temples and wooden houses, and ten minutes later we're looking at fields so bright green they hurt the eye
然后我们启程出发离开了Khun Yuam市的大街，朝着一条只能够走摩托车的公路走去，经过缅甸的寺庙群和一座座小木房，大约十分钟之后一片鲜绿的原野出现在我们眼前，刺得眼睛发疼。
We are the commitments, we are the eye is bright.
莪们旳承诺，眼睛里面是莪们旳鲜艳。
He peered into the mirror fragment again, and saw nothing but his own bright green eye looking back at him.
他又朝碎镜片里望去，只看见自己的一双亮晶晶的绿眼睛。
Keep your look natural, avoiding dark eye shadow, bright lipstick or heavy foundation.
保持妆容自然，避免浓重的眼影，闪亮的唇彩或厚重的粉底。
He achieves this by wearing bright eye makeup, a brightly colored scarf, and of course, his hat. If you 're looking for a standout hat, discount stores like Stein Mart, T. J.
尽管他的外套和裤子都平平无奇，但他运用色彩让自己五彩斑斓——明亮眼妆、漂亮的丝巾，当然不能忘了他的标志帽子。
He achieves this by wearing bright eye makeup, a brightly colored scarf, and of course, his hat. If you 're looking for a standout hat, discount stores like Stein Mart, T. J.
尽管他的外套和裤子都平平无奇，但他运用色彩让自己五彩斑斓——明亮眼妆、漂亮的丝巾，当然不能忘了他的标志帽子。
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