肉眼

Pigmented onion seedling has significant high Chlorophyll contains than unpigmented under visible light germination condition, but it looks same by naked eye, no color different between each onion seedling.

可见光下，叶绿素含量在三种类型的洋葱种子中存在显著差异，可以利用叶绿素含量鉴定区分。肉眼观测未见可识别的颜色变化。

Before him is a dead sea that stretches in azure calm before the eye; but he who unwarily ventures within its embrace finds himself struggling with a monster that would drag him down to perdition.

自杀之念头就象那死海，肉眼看来似乎很风平浪静；但假如轻率地冒险去投入它的怀抱，就会发现自己被陷在了一个泥沼里，愈陷愈深被吞进去。

The big and beautiful spiral galaxy M81, in the northern constellation Ursa Major, is one of the brightest galaxies visible in the skies of planet Earth.

M81位于大熊座星系里，是一个美丽的螺旋星系，也是地球上空肉眼可以看到的最明亮的星系之一。

Gross appearance: Newly XDPB is white and yellow a little, shape in long strip, quality nature hard and crisp, and has a great quantity Honeycomb appearance ventage.

结果异种脱蛋白组织工程骨支架材料的改良制备和性能研究：新制备的XDPB块肉眼观呈白色，略带黄色，长条状，质硬脆，见大量蜂窝状孔隙。

The only asteroid visible to the naked eye is Vesta, because of its brightness.

用肉眼可以看到的唯一一颗小行星是灶神星，因为它非常明亮。

But even at its brightest, Vesta is just too faint to spot with the naked-eye.

但即使在其最亮，灶神星是太微弱到现场与肉眼。

Vesta is not the largest asteroid, but is the only one bright enough to be seen with the human eye.

灶神星不是最大的小行星，但是却是唯一能用肉眼看到的足够明亮的小行星。

These stars are visible to the naked eyes.

这些星星是肉眼所看得见的。

These tiny creatures are hardly visible to the naked eyes.

这些微小的生物肉眼几乎看不见。

The stars are visible to the naked eyes.

例37、这些星星是肉眼看得见的。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。