In an inaudible manner, so as not to be heard.
| 单词 | θ65656 | 
| 释义 | the world > physical sensation > hearing and noise > inaudibility > 			[adverb]		 (21)		 inaudibly1798 In an inaudible manner, so as not to be heard. Subcategories:— 			subsonically			(1)		 — 			silently			(19)		 | 
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