| 释义 | 
             
                hearing threshold level, HTL
                
            阀值fá zhí 
 threshold value; threshold level视阈shì yù 
 visual threshold阈值yù zhí 
 threshold; threshold value聪cōng 
 faculty of hearing; acute hearing阈量yù liàng 
 threshold dosage; threshold dose听觉tīng jiào 
 auditory sense; sense of hearing; audition; hearing平整píng zhěng 
 level off, level up, unknit阈yù 
 threshold; doorsill之平zhī píng 
 main level地平面dì píng miàn 
 ground level海平面hǎi píng miàn 
 sea level水准仪shuǐ zhǔn yí 
 water level听讼tīng sòng 
 hearing, oyer听闻tīng wén 
 hear, hearing坎kǎn 
 bank; ridge; threshold阈区yù qū 
 threshold region高水位gāo shuǐ wèi 
 high water level水平的shuǐ píng de 
 aclinic, horizontal, level物价水平wù jià shuǐ píng 
 price level下级xià jí 
 lower level [rank]; subordinate陷阱能级xiàn jǐng néng jí 
 trap level地水准平面dì shuǐ zhǔn píng miàn 
 ground level展开一层zhǎn kāi yī céng 
 expand one level真正水平面zhēn zhèng shuǐ píng miàn 
 true level耳背ěr bèi 
 hard of hearing
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