直径: diameter...
出差: to go on an official or business trip...
告知: to inform...
天赋: gift, innate skill...
何况: let alone, to say nothing of, besides, what's more...
解说: to explain, to comment...
光荣: honor and glory, glorious...
耽搁: to tarry, to delay, to stop over...
生长: to grow...
受伤: to sustain injuries, wounded (in an accident etc), harmed...