As they walk around a playground or other area, text, video or audio pops up at various points to help them try to figure out why aliens were in the schoolyard.
出自-2013年6月阅读原文
柯林斯高阶英汉双解学习词典释义
ADJ
音频的；声音的
Audio equipment is used for recording and reproducing sound.
例句
She uses her vocal training to record audio tapes of books for blind people.她利用接受的声乐训练给盲人录制磁带图书。
英汉词典释义
adj.
听觉的, 声音的
The school's audio apparatus includes films and records.学校的视听设备包括放映机和录音机。