发出声音

Edinburgh University researchers studied shoals of fish near the Great Barrier Reef off Australia. They found damselfish, cardinalfish, emperors and blennies chose communities by the "reef noise" they give off.

爱丁堡大学研究人员研究澳洲外海大堡礁内的鱼群，结果发现雀鲷、天竺鲷、皇帝鱼和尉鱼等都会先听听珊瑚礁海域所发出的「声音」，来选择居住地点。

The machine is making a deafening sound.

机器发出震耳欲聋的声音。

The decibel is the unit of the volume .

分贝是音量的单位，分贝数越大代表的所发出的声音越大

It was tender, and his teeth sank into it with a crunch that promised deliciously of food.

这东西很嫩，他的牙齿咬进去，会发出一种咯吱咯吱的声音，仿佛味道很好。

It makes curious, devilish noises when not satisfied, and says "goo-goo" when it is.

每当它不高兴时，它就会发出奇怪的难听的声音；反之，它会"咕——咕"地叫。

The breeze rustled leaves in a dry and diaphanous distance.

远处，空气干燥而明净，微风吹拂着树叶发出沙沙的声音。

The most important factor in musical diction on the piano is the nature of the sound of the piano itself.

钢琴音乐语言最重要的因素就是钢琴它自身发出的自然声音。

It pendulum swung to and fro with a dull, heavy, monotonous clang; and when the minute-hand made the circuit of the face, and the hour was to be stricken, there came from the brazen lungs of the clock a sound which was clear and loud and deep and exceedingly musical, but of so peculiar a note and emphasis that, at each lapse of an hour, the musicians of the orchestra were constrained to pause, momentarily, in their performance, to hearken to the sound; and thus the waltzers perforce ceased their evolutions; and there was a brief disconcert of the whole gay company; and while the chimes of the clock yet rang.

每当长针在钟面走满一圈，临到报时之际，大钟的黄铜腔里就发出一下深沉的声音，既清澈又洪亮，非常悦耳，然而调子和点子又如此古怪，因此每过一小时，乐队里的乐师都不由得暂停演奏来倾听钟声；双双对对跳着华尔兹舞的也不得不停止旋转，正在寻欢作乐的红男绿女不免乱一阵子；这且不说，钟声还在一下下敲的时候，连放荡透顶的人都变得脸如死灰，上了年纪的和老成持重的都不由双手抚额，仿佛胡思乱想得出了神。

He shut the book and dropped it on the coffee table with a disturbingly conclusive sound.

他合上书，把它丢在咖啡桌上，发出一声坚决得令不安的声音。

This is how you teach the dog that the click means that they get a dog biscuit.

那是一个小小的、按下后能发出"咔咔"声音的设备，从开始你就使用这个点击器并提供饼干，这样狗就能得到"狗饼干"的条件反射，现在，随着你的设备的"咔咔"作响，狗的动作完成正确即获奖赏，动作失误，只好重新再来。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷