强调听到的“声音、声响”时,sound可数。如:I didn't hear a sound.我没有听到声响。从物理角度统称自然界“声音、声波”时,sound不可数。Do you know the speed of sound?你知道声音的速度吗?<br>sound例句<br>1、a high/low sound<br>高的/低的声音<br>2、a clicking/buzzing/scratching, etc. sound<br>咔嗒咔嗒、嗡嗡、嚓嚓等的声音<br>3、the different sounds and smells of the forest<br>森林里的各种声音、各种气息<br>4、She heard the sound of footsteps outside.<br>她听见外面有脚步声。<br>5、He crept into the house trying not to make a sound .<br>他蹑手蹑脚地溜进房子里,尽量不弄出一点声响。<br>sound短语搭配<br>Sound card声卡;音效卡;音频卡;位元音效卡<br>Antarctic Sound南极海峡;南极印象;南极峡湾<br>sound track音带;[电影]声迹;[电影]声带;[声]声道<br>Sound Engineer录音师;特效化妆;录音技师;灌音师<br>Norton Sound诺顿湾<br>Wilkins Sound威尔金斯冰架<br>sound generator音源;声音发生器;发声器<br>Ingressive sound吸气音<br>Peel Sound皮尔海峡
at用在时刻前,亦与正午、午夜连,黎明、终止和开端,at与之紧接着相伴。周月季年长时间,in须放在其前面,泛指一晌和傍晚,也要放在in后边。on指特定某一天,日期、星期和节日前某天上下和夜晚,依然要在on后站。<br><img><br>at用在时刻前,亦与正午、午夜连,黎明、终止和开端,at与之紧接着相伴。周月季年长时间,in须放在其前面,泛指一晌和傍晚,也要放在in后边。on指特定某一天,日期、星期和节日前某天上下和夜晚,依然要在on后站。