sound
单词辨析：
普通用词，泛指耳朵能听到的任何声响。
What made these sounds?
这些声音是怎么回事?
She loves the sound of rain on the roof.
她喜欢雨打屋顶的声音。
She heard a strange sound coming out of the room.
她听到从房间内传出一种奇怪的声音。
尤指刺耳、喧闹、可怕的声音，有时由多种声音混杂在一起。
The noise was so loud that it was a nuisance to the neighbours.
那声音大得让邻居们讨厌。
I slept well despite the noise.
尽管有吵闹声，我还是睡得很好。
City residents were aggravated by the traffic noise.
城市居民为交通噪音所烦扰。
主要指人的说话声和歌唱声。
His voice quivered with rage.
他气得声音发抖。
Tom lowered his voice when he told his mother the secret.
汤姆压低声音告诉母亲那个秘密。
This girl has a pleasant singing voice.
这个姑娘有一副悦耳的歌喉。
指对人体健康有好处的。
The air at the seaside is healthful.
海边的空气有利于健康。
You will have a longer life if you eat healthful food.
如果你吃有益健康的食品，就会活得更长久。
指健康状态正常的，含健壮之意。
She gave birth to a healthy baby-boy.
她生了一个健康的男婴。
Though old, my grandpa looks very strong and healthy.
我爷爷虽然老了，但他看上去还是很健壮。
指生理或心理上健康的。
Her body is still sound.
她的身体依然硬朗。
A sound mind is inseparable from a sound body.
健全的头脑与健康的身体是不可分割的。
与 healthy 同义，但只作表语。
She is always well.
她身体一向很好。
I don't feel very well today.
我今天感觉不太舒服。
指食物对身体有益的，也指某事物不包含不道德的性内容而有益身心的。
good wholesome family entertainment
有益的家庭娱乐
Bread and milk makes a wholesome breakfast.
面包和牛奶是有益于健康的早餐。
Swimming is a wholesome sport.
游泳是一项有益于身心健康的运动。
相关例句：
I am not sure that this is sound democratic practice
我不能肯定这是正确的民主行为。
He's got a unique sound and a unique style.
他的音乐风格独具特色。
Sir Patrick attempted to sound a positive note, describing the meeting as serving a useful purpose.
帕特里克爵士极力释放出一种积极的论调，称此次会议是很有用的。
Here's a new idea we liked the sound of
这是个新想法，我们一听就喜欢。
A young man sounds the bell to start the Sunday service.
一个年轻人鸣钟宣布周日的礼拜开始了。
When we bought the house, it was structurally sound
我们买下这栋房子的时候，它的结构还非常坚固。