xbox44
幼苗
共回答了18个问题采纳率:77.8% 举报
improvement:a change for the better; progress in development
invention:the creation of something in the mind
pocket:a small pouch inside a garment for carrying small articles
screen:a white or silvered surface where pictures can be projected for viewing
signal:any nonverbal action or gesture that encodes a message; "signals from the boat suddenly stopped"
1年前
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