The closer it came in pitch to the first one, the hard it became for the dolphin to correctly identify it as low.

它的音高越接近第一个音高，对海豚来说就越难辨别出它是低音。

youdao

As the world's leading authority on the species, she has been studying the dolphins for 25 years as part of the Wild dolphin Project, the longest-running underwater study of its kind.

作为世界上一流的海豚权威专家，她研究海豚长达25年，她的研究是持续时间最长这类水下研究——野生海豚计划的一部分。

youdao

Several men lifted the dolphin, as long as a man is tall, above the water and one of them flexed his muscles for the camera.

几个人把海豚抬起距水面一人高，还有人弯着手臂取相机拍照。

youdao

He is one of two editors who review content before it is posted, and is responsible for a food deal of the original content you see at iQ such as the dolphin prosthetic story.

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The federal requirements for dolphin-safe labeling do not exclude tuna that were caught while killing dolphins as long as it was not done using one particular method in one particular part of the ocean.

FORBES: WTO Correctly Calls The U.S. To Task For Lying About Dolphins