Abysm
n. 深渊, 无底洞
🗣️ 情景例句
I don't know.
我不知道。
Knowledge without practice makes but half an artist.
只有知识而无实践，只能造就半瓢水的艺术家。
It is a world of red sandy deserts (hence its name----the Red Planet),
红色行星），