查询词典 sea scorpion

Swimming in the open sea can be fun, but do watch out for stonefish, sea urchins, scorpion fish and sharp rocks.

在户外海洋游泳是件极有趣的事，不仅可以观鱼、海洋生物、scorpion fish 和 sharp rocks。。

Giant Sea Scorpion Discovered; Was Bigger Than a Man

巨大海蝎被发现；比人还大

Paleontologists discovered a giant fossilized claw that once belonged to an 2.5 meter (8 foot) long sea scorpion.

古生物学家从化石中发现一只巨大的尖爪，它曾经属于一只2.5米（8英尺）长的海蝎。

We all know about the size of dinosaurs, of course, but how about a rodent the size of a bull, a sea scorpion bigger than a man, a frog as large as a beach ball, a penguin the size of a small adult human, a 1,000-pound ground-sloth-like marsupial, and a shark that may have grown longer than 50 feet and weighed up to 30 times more than the largest modern great white?

当然我们都知道恐龙的尺寸，但是要是一个公牛一样大的啮齿动物，一个比人还大的海蝎，海滨卵石一样大的青蛙，一个成年男子身高的企鹅，一个1000磅的外貌像地懒一样的有袋动物，一个也许能长到身长50英尺(1英尺=30厘米)，体重超过现代最大大白鲨的30倍的鲨鱼呢？

The sea scorpion Jaekelopterus rhenaniae , nicknamed "Jake", is thought to have lived 390 million years ago and, given this claw is about half a metre long, is estimated to have been around 2.5 m long – almost half a metre longer than previous estimates and the largest ever to have evolved.

导读英国和德国科研人员在德国西部，发现一种远古海洋蝎子的化石，相信它们有2.5米长，比一般成人还要高。这种名为"Jaekelopterus rhenaniae"的海蝎子生活在4亿6000年至2亿5500年前，单单是爪子就有46厘米长。它们原本在靠近沿岸的温暖海水中活动，后来转移到淡水生活。

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。