Optionally set a time period of up to three seconds that playing a button should be delayed. This is useful if you want to allow students to enter the text field before they start listening.
언제 문장들이 뒤섞여야 하는지 정의합니다Optionally set a time period of up to three seconds that playing a button should be delayed. This is useful if you want to allow students to enter the text field before they start listening.
언제 문장들이 뒤섞여야 하는지 정의합니다Optionally set a time period of up to three seconds that playing a button should be delayed. This is useful if you want to allow students to enter the text field before they start listening.