在锥实螺的例子中，研究表明右旋基因是在卵的形成期表达的。
In the case of Lymnaea peregra, studies indicate that a dextral gene is expressed during egg formation.
这道菜是把米粉煮熟，再配上由河螺和猪骨头熬了几个小时的汤一起食用的。
The dish is made up of rice noodles boiled and served in soup made from river snails and pork bones which are cooked for hours.
较之螃蟹和鱼肉，我更喜欢吃蚌、贝和螺肉。
I prefer clams, scallops and whelks tops to crab and fish meat.
终于他的手摸到了一个螺钉的螺头。
不像乌贼，鹦鹉螺有保护壳。
在水中，淡水螺中释放出的尾蚴侵入人体皮肤，造成感染。
Larval forms of the parasites, which are released by freshwater snails, penetrate the skin of people in the water.
黄金宝螺的贝壳极难找到，它们为收藏家所推崇。
Golden cowrie shells are among the hardest shells to find and are prized by collectors.
研究人员希望能够了解海豚使用这些螺壳的方式的细节。
The researchers also hope to learn more about how the dolphins actually use the shells.
有些种类的蜗牛有着从里到外逆时针的螺壳，不过这少见的多。
Some species of snail have shells that spiral out in an anticlockwise direction, but it is much rarer.
鹦鹉螺采用开放式架构设计，支持采用新型元件和技术升级。
The Nautilus USES an open architecture to support replacement components and newer technologies.
海豚先用它们的吻突将小鱼赶到大海螺壳中，然后将螺壳带出水面并晃动。
Dolphins first trap small fish in large conch shells with their rostrums (beaks). They then bring the shells to the surface and shake them.
在水面上行走看起来十分神奇，但对一些水生螺类来说这却是每天都在做的事。
Walking on water may seem miraculous, but for tiny aquatic snails, it's an everyday activity.
控制血吸虫病的基础是，开展药物治疗，灭螺，改善环境卫生，并进行卫生教育。
Control of schistosomiasis is based on drug treatment, snail control, improved sanitation and health education.
有些鹦鹉螺化石上的齿痕看起来好像是由巨大的爬虫类捕食者沧龙留下的。
Some ammonite fossils have tooth marks that look as though they were made by huge reptilian predators called mosasaurs.
在斐济岛上，酋长们戴着黄金宝螺贝壳的项链，来表示他们地位和等级。
On the island of Fiji, they were worn on a necklace by a chieftain as a symbol of status and rank.
现代的珍珠鹦鹉螺与古鹦鹉螺的关系备受争议，但它也有类似的结构安排。
Modern pearly nautiluses, whose relationship to ammonites is much debated, have a similar arrangement.
高音采用了B&W的鹦鹉螺管装的设计，很好地遏止共振并增强高频表现。
The tweeters feature B&W's Nautilus tube-loaded design claimed to dampen resonance and improve high-frequency sounds.
作品的主题包括一张女性脸庞、一个跳舞者、一只海豚、一只鹦鹉螺壳和太阳。
Motifs include a woman's face, a dancer, a dolphin, a nautilus shell and the sun.
预防和控制血吸虫病的基础是，开展预防性治疗，灭螺，改善环境卫生，并进行卫生教育。
Prevention and control of schistosomiasis is based on preventive treatment, snail control, improved sanitation and health education.
在斐济岛上，酋长们戴着黄金宝螺贝壳的项链，用来作为他们地位和等级的象征。
On the island of Fiji, they were worn on a necklace by a chieftain as a symbol of status and rank.
来此就餐的食客们左手戴上塑料手套，右手持一根长牙签将螺肉挑出来，蘸上特制的酱汁食用。
Diners eat it with a plastic glove on the left hand, using the right hand to pry the snail from its shell with a long toothpick and then dipping the meat in a special sauce.
鹦鹉螺不能完全缩回外壳内自卫,于是就很可能就会被从外壳中拽出，成了其他生物的美食。
Since ammonites could not withdraw entirely into their shells for self-defence, it would then just be a question of dragging the creature out of its chamber in order to eat it.
菊石是鹦鹉螺的近亲，这种外壳呈螺旋状的海生生物在6500万年前与恐龙一起灭绝了。
Related to the pearly nautilus, these spiral-shelled Marine creatures went extinct along with the dinosaurs around 65 million years ago.
这些岩层富含化石，其中有快速进化的海洋生物，比如鹦鹉螺化石，岩层与火山灰岩交错排列。
These rocks consist of fossil-rich layers containing rapidly evolving Marine organisms such as ammonites, interleaved with layers of volcanic ash.
蜘蛛螺(Lambischiragra)就是其中一种海底生物，它属于腹足软体动物，壳上有6个指状突起。
The spider conch (Lambis chiragra), a gastropod mollusk with six fingerlike projections sticking out of its shell, is one of these seabed dwellers.
加图索称，生活在北极海域的微型软体动物鯱螺（学名：Limacinahelicina）特别容易受到伤害。
The tiny mollusc Limacina helicina, which is found in Arctic waters, will be particularly vulnerable, he said.
史蒂芬·斯科特自1980年代就开始研究水下地质学，在1990年代，他与别人共同发现了鹦鹉螺公司正在开发的这个矿藏。
He has been researching underwater geology since the 1980s, and in the 1990s he co-discovered the deposit that Nautilus is exploring.
史蒂芬·斯科特自1980年代就开始研究水下地质学，在1990年代，他与别人共同发现了鹦鹉螺公司正在开发的这个矿藏。
He has been researching underwater geology since the 1980s, and in the 1990s he co-discovered the deposit that Nautilus is exploring.
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