...The White Cricketknows this secret of acoustics... 
J. H. Fabre Bernard Miall 「Social Life in the Insect World」
...Under theseconditions it is useless to think of acoustics...
J. H. Fabre Bernard Miall 「Social Life in the Insect World」
...The acoustics of the silent hall carried his softvoice up to us...
Raymond King Cummings 「Wandl the Invader」
ランダム例文：
dapple gnat responsive
便利！手書き漢字入力検索
この漢字は何でしょう？？