One day, I see on animal world, crocodile wept! Why can crocodile weep? When it catchs prey ruthless, the instant kills prey.
一天，我在动物世界上看到，鳄鱼流泪了！鳄鱼为什么会流泪？它捕捉猎物的时候毫不留情，瞬间就将猎物杀死。
Later, I consult repeatedly data, discover eventually: Crocodile did not shed tear at all. Not, it has “ tear ” , but its “ tear ” is not the sort of tear that we understand.
后来，我反复查阅资料，终于发现：鳄鱼根本没有流眼泪。不，它有“眼泪”，但是它的“眼泪”并不是我们所理解的那种眼泪。
Its “ tear ” also is salty, also be round, but differ with the tear good of our mankind. Want to know among them secret, we are gotten from crocodilian body surroundings speaks of. Crocodile lives in seawater, can drink go in many seawater, the saline branch in the body is taller and taller. How can this do? Irrespective, it is all round the eye the gland of organic — salt that grew to secrete salinity, metropolis therefrom sheds seawater, salt water, created such appearance so.
它的“泪水”也是咸的，也是圆的，但与我们人类的泪水用处不同。要了解其中的秘密，我们得从鳄鱼的身生活环境说起。鳄鱼生活在海水里，会喝进去不少海水，身体里的盐分会越来越高。这可怎么办？没关系，它在眼睛周围长出了分泌盐分的器官—盐腺，海水、咸水都会从那里流出来，所以造成了这样的现象。
I am good the result that gets satisfaction not easily, have one full marks again / problem subsequently and come: Can that crocodilian salt gland also secrete the nutrient composition in the body? This problem around move I for ages, read a book, examine a data, ask mother, did not give me satisfactory answer, still found a secret finally on Baidu!
我好不容易得到满意的答案，又有一满分/个问题随之而来：那鳄鱼的盐腺会不会把身体里的营养成分也分泌出去？这个问题围绕着我好久，看书、查资料、问妈妈，都没有给我满意的答案，最终还是在百度上找到了秘密！
Crocodilian exudation gland of systematic — salt, a conduit is among, and to all round radiation gives thousands of canaliculus, be together with hemal crisscross. Just give separation to come out the redundant salinity in blood, outside adopting system of intermediate tracheal eduction.
鳄鱼的分泌系统—盐腺，中间是一根导管，并向周围辐射出几千根细管，跟血管交错在一起。只是把血液中多余的盐分给离析出来，通过中间导管排出体外。
I understood, crocodilian saline gland can derive salinity only, with the means of “ tear ” will redundant salinity eliminates, make like letting a person feel to resembled crying. Have a kind of view again, crocodile can pour out of “ tear ” when swallowing maneating cultivate, pardonable the ancients describes those pretending with the crocodile tears kind-hearted dissembler?
我明白了，鳄鱼的盐腺只能把盐分导出去，以“泪水”的方式将多余的盐分排除掉，使得让人觉得像哭了一样。又有一种说法，鳄鱼在吞食人畜时会流出“眼泪”，难怪古人用鳄鱼的眼泪来形容那些装作善良的伪君子呢？
Ha! The secret of crocodile tears, was given to discover by me!
哈！鳄鱼眼泪的秘密，被我给发现了！(文/黄文瑄)