Igc
abbr. intellectually gifted children 智力天才儿童
🗣️ 情景例句
Here you are.
给你。
If the ox falls,whet your knife.
牛一倒，快磨刀；人遭难，众人踩。
The further off this solid obstruction, the longer time will elapse for the return of the echo.
固体障碍物越远。回声返回所用时间就越长。