您要查找的是不是：
- Mottled, blue-gray baleen whale (Balaenoptera musculus), also called sulfur-bottom whale because of the yellowish diatoms on some individuals. 一种带有淡色斑点的蓝灰色须鲸，学名Balaenoptera musculus，亦称硫底鲸，因为有些个体的身上长有浅黄色的矽藻而带硫黄色。
- But big baleen whales often run silent. 而大型须鲸常常不声不响地前行。
- Other baleen whales have splash guards too, but not like this. 一些须鲸物种头顶也有护住喷水孔的构造，但并不长成这样。
- Baleen whales often appear in this region. Be careful! 这一带经常有须鲸出没,要注意安全啊!
- Later in the evolution of whale hearing, the toothed and baleen whales parted ways. 鲸豚听觉的演化到了后期，齿鲸与须鲸就分道扬镳了。
- But it is easier to hear the baleen whale, with its lower-frequency call, than the beaked whales, says Theriault. 但是，Theriault说，和喙鲸相比，须鲸发出的叫声频率更低，更容易听到它发出的声音。
- Baleen whales often appear in this region. Be careful! A whale was beached on the shore. 这一带经常有须鲸出没，要注意安全啊！
- One group of whales has, instead of teeth, long strips of bone, hanging from their upper jaw.This is the baleen whale, the largest animal in the world. 有一类鲸鱼，用从上额骨垂下来的长条状的骨头代替牙齿，它就是须鲸，是世界上最大的动物。
- One group of whales has, instead of teeth, long strips of bone, hanging from their upper jaw. This is the baleen whale, the largest animal in the world. 有一类鲸鱼，用从上颚骨垂下来的长条状的骨头代替牙齿，它就是须鲸，是世界上最大的动物。
- The collection of small marine crustaceans of the order Euphausiacea that are the principal food of baleen whales. 磷虾:磷虾目中小型海洋甲壳纲动物的总称,是长须鲸的主要食物。
- The elastic, horny material forming the fringed plates that hang from the upper jaw of baleen whales and strain plankton from the water. 鲸须指形成垂挂于长须鲸上颚的有弹性、象角质一样半透明的材料，可将浮游生物从水中滤出
- Large baleen whales primarily use the lower frequencies and are often limited in their repertoire. 大长须鲸最初使用低频，他们的全套本领很有限。
- Baleen whales use their huge mouths the filter small plants and creatures for food out the water. 须鲸用他们的大嘴来过滤水中小型的植物及生物作为粮食。
- He remarks that some rudimentary organs, such as teeth in baleen whales, are found only in embryonic stages. 他说，一些痕迹器官（如须鲸的牙齿）只在胚胎阶段能被发现。
- The elastic,horny material forming the fringed plates that hang from the upper jaw of baleen whales and strain plankton from the water. 鲸须指形成垂挂于长须鲸上颚的有弹性、象角质一样半透明的材料，可将浮游生物从水中滤出
- However, the position of the eyes so restricts the field of vision in baleen whales that they probably do not have stereoscopic vision. 但是，由于眼睛的位置太受约束，长须鲸可能没有立体视觉。
- The microscopic teeth of the Gillicus suggest it was a filter feeder that ate zooplankton, similar to today's baleen whales. 这种精微的牙齿暗示着鳃腺鱼是一种过滤性的进食者，主要摄食浮游动物，与现今的须鲸相类似。
- Baleen whales have been tracked by autonomous gliders before, by researchers at Woods Hole Oceanographic Institution, Massachusetts. 马萨诸塞州的WoodsHoleOceanographic研究的研究员们以前是用自主滑翔器来跟踪须鲸。
- We may live to see the extinction of the whale. 人类或许能亲眼见到鲸的灭绝。
- The whale thrashed the water with its tail. 那条鲸鱼不住地用尾巴击水。
