...In thetesting and analyzing of serums and antitoxins andfor experimental purposes generally the demand isenormous, thousands and thousands of them beingused every year... 
A. C. Smith 「The Raising and Care of Guinea Pigs」
ランダム例文：
repudiate pugnacity polygynous
便利！手書き漢字入力検索
この漢字は何でしょう？？