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Stack #4657633

QuestionAnswer
presence sự hiện diện
bitter blow cú sốc cay đắng
vacant trống rỗng
mathematical toán học
henceforth từ nay trở đi
radioactivity phóng xạ
undertaken đã thực hiện
prodigious phi thường
pitchblende
bread and butter and tea bánh mì, bơ và trà
 

 



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