Zoologist Eugene Morton has propounded a general theory of the vocal sounds that animals make.(动物学家尤金·莫顿提出了一个有关动物发声的通论。)
Most animals have triangular vocal cords.(大多数动物是三角形声带。)
Researchers in psychology, a field rocked by findings of irreproducibility in the past few years, have been especially vocal supporters of the drive for more-open science.(过去几年里，心理学领域的研究人员发现了一些不可再生产的现象，他们对推动科学进一步开放的呼声尤其强烈。)
Jules Sims would also record vocal calypsos.(朱尔斯·西姆斯还会录制声乐加里波舞。)
In reality, some people are vocal and may moan and groan, other folks may muffle any sounds with a pillow, and yet others may not make a single peep.(事实上，有些人会出声，他们可能会唉声叹气，其他人可能会用枕头闷住任何声音，还有另一些人可能不会发出任何声音。)
One thing's for sure, Manilow's vocal style hasn't changed much over the years.(有一点是千真万确的，马尼洛的演唱风格这些年来没有太大的变化。)
After they've been frozen and thawed of course, they don't seem quite as vocal.(在经历了冰冻和解冻的过程后，它们鸣叫的声音就不那么响亮了。)
You are a vocal proponent for a cause.(你成为了某一目标的口头拥护者。)
It appears loose with no vocal ligament.(它看起来很松，没有声韧带。)
Dolphins lack vocal cords, nevertheless creating sounds: a complicated system of whistles, squeaks, moans, trills, and clicks are produced by sphincter muscles inside the blowhole.(海豚没有声带，但却能发声：一个由口哨声、吱吱声、呻吟声、颤音和咔嚓声组成的复杂系统是由喷水孔内的括约肌产生的。)
