Exposure to loud noises can definitely produce a partial or completeloss of hearing, depending on the intensity, duration, and frequency composition of the noise.
暴露在巨大的噪音中肯定会造成部分或完全的听力丧失，这取决于噪音的强度、持续时间和频率组成。
2
Deafness refers to the completeloss of hearing ability in one or two ears.
耳聋是指一只或两只耳朵的听力完全丧失。
3
Hearing impairment refers to both complete and partial loss of the ability to hear.