係15/3/2021截止,噤大件事都無人講? 但係到底北斗杯全國青少年科技創新大賽係咩黎呢?等我同你講解係啦!…
https://inews.hket.com/article/2812421/ https://inews.h…
http://hk.hkcd.com/pdf/202011/1126/HA02B26CGCC_HKCD.pdf