sea urchins

Among mollusks and zoophytes, I found in our trawl's meshes various species of alcyonarian coral, sea urchins, hammer shells, spurred-star shells, wentletrap snails, horn shells, glass snails.

我又在鱼网眼上得到了属于软体类和植虫类的各种不同的翡翠虫、海渭、糙鱼、马刺鱼、罗盘鱼、樱子鱼、硝子鱼。

spiny sea urchins

多刺的海胆

Scientists have long used sea urchins to study fertilization and early development in humans.

科学家们一直用海胆来研究受精卵和人类早期形态.

Tricia: Those are sea urchins . We'll 3 pass on those.

翠西雅: 是海胆,那个就免了.

He compares sea urchins to rabbits and other grazers found on land.

把海胆与兔子和其它陆生食草动物作个比较.

Sea urchins have a powerful appetite for kelp.

海胆对于海藻有着极强的食欲。

The hard outer shell of sea urchins are commonly called tests.

海胆的坚硬外壳通常被称为甲壳.

The sea off Dalian abounds with quality seafood, such as abalones, sea cucumbers, scallops, prawns, crabs, and sea urchins.

大连外海盛产优质的海鲜，如鲍鱼、海参、扇贝、虾、蟹和海胆。

Sea urchins are another example.

另一个例子是海胆。

Echinodermata of them mainly includes two kinds of starfish and 8 kinds of Sea urchins, altogether 10 kinds;

棘皮动物主要包括海星2种和海胆8种共10种；

Restoring balance between predator and prey, once overfished snapper eat sea urchins that had nearly denuded the reefs at Goat Island reserve.

海洋里的生态平衡需要维持，啮鱼曾经遭到过度捕捞，没有天敌的海星一度几乎将高特岛保护区的岩石表面侵蚀待尽。

Too many sea urchins can virtually clear-cut the underwater kelp forest where fish live and hide.

过量的海胆会把海藻吃光，令鱼类失去栖息地。

Prise open the shell to sea urchins , sea urchin eggs is delicious.

将海胆的外壳撬开后,就是美味的海胆卵.

The Sea Urchins of the Yellow Sea and the East China Sea

黄、东海海胆分类学研究

Sea urchins can also be used by scientists to detect toxic chemicals.

海胆还可以用于探测有毒化学成分.

"echinoid: an echinoderm of the class Echinoidea, which includes the sand dollars and sea urchins."

“海胆：一种属于海胆纲的棘皮动物，包括沙钱和海胆.”

Sea urchins are found on rocks and in seaweed and sting in the same way.

海胆是上发现的岩石和在海藻和斯汀在相同的方式。

He allowed these "enucleated" eggs to be fertilized by sperm from sea urchins of the genus echinus.

他让这些“无核”的卵跟海胆属的海胆的精子受精。

On the sea bed at depths of up to3,000ft are vast coral reefs, forests of willowy feather-stars and russet-red sea urchins.

在深达近千米的海底，生长着大片绮丽的珊瑚礁、婀娜多姿的海星和黄褐色的海胆。

Radially symmetrical marine invertebrates including e.g.starfish and sea urchins and sea cucumbers.

包含例如海星海胆和海黄瓜等的放射对称的海生无脊椎动物。

The most acceptable external tag is the nylon screw tag, which is suitable for studying the behavior of sea urchins.

较理想的外部标志方法是尼龙螺丝钉标志法，适用于海胆的行为研究；

For instance, it appears the ancestor of brainless starfish and sea urchins had a brain.

例如, 无脑海星和海胆的祖先似乎曾有大脑.

I found a lot of sea urchins.

我找了很多的海胆。

Comparison of Growth between Sea Urchins Strongylocentrotus intermedius × S. nudus Hybrids and their Parents

中间球海胆与光棘球海胆杂交子一代的生长比较研究

Sea urchins are a constant annoyance.

海胆永远是一个骚扰者。

Shrimp may soon be given disease-fighting genes taken from sea urchins.

不久也许可以给虾配上从海胆提取的抗病基因.

The sea urchins can appear abnormal gene expression and gene mutations if they are exposed to oil-polluted environment for a long time.

海胆在石油烃长期污染下会导致DNA甲基化异常和基因突变产生。

The same sea urchins , sea urchins but the two places a qualitatively different.

同是海胆, 但是两地的海胆却有着质的不同.

Diseases of sea cucumbers and sea urchins

海参和海胆的疾病

Sea urchins and corals are promising candidates for preservation.

海胆与珊瑚是很有希望受到保护的海洋生物。