查询词典 hesperornis

Hesperornis was a speedy swimmer, taking short dives to feed on shoals of fish or other passing food.

它们是快速的游泳者，进行短时间潜水来捕食鱼群和其他经过的猎物。

Hesperornis is shown as being covered in scales when in real life, Hesperornis was likely covered in feathers.

电视里的黄昏鸟到达现时生活时，身披鳞片，其实远古黄昏鸟身上很有可能长满羽毛。

The plumber is then attacked by a sleeping Hesperornis he startled and is killed.

过后水管工因为惊醒了一只熟睡的黄昏鸟而遭到攻击致死。

Hesperornis had a sleek, feathered body and long legs with webbed feet.

黄昏鸟拥有一个光滑的、有羽毛覆盖的身体，长长的腿和带蹼的脚。

Hesperornis is an extinct genus of flightless aquatic birds that lived during the Late Cretaceous.

黄昏鸟是一种已经灭绝的不会飞翔的水鸟，生活在白垩纪晚期。

Hesperornis were very large birds, reaching up to 2 metres (6.5 feet) in length.

黄昏鸟体形庞大，达到两米长（6.5英尺）。

Hesperornis was a large flightless bird that swam in the oceans and snared fish with a tooth lined beak .

黄昏鸟是一种大而不会飞的鸟类，它们在大洋中游弋，靠布满牙齿的喙捕食鱼类。

He later finds a Hesperornis rookery amongst the rocky shoreline.

接着他发现黄昏鸟在岩石密布的海岸线上群居。

Unable to fly or walk, Hesperornis needed to be wary of predators: sharks and plesiosaurs at sea, dinosaurs and pterosaurs on land.

由于不能飞也不能步行，黄昏鸟需要警惕掠食者们：水中有鲨鱼和蛇颈龙，岸上有恐龙和翼龙。

Ungainly and vulnerable on land - Hesperornis couldn't walk - they crowded together in colonies for safety and chose inaccessible rocky outcrops.

它们不能行走，在岸上显得笨拙而脆弱，故而聚集在一起以寻求安全，并选择难以接近的多石地形。

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。