Complanarity
共（平）面性
🗣️ 情景例句
Please keep off the grass.
请勿践踏草地。
Discussing all these details will get us nowhere.
讨论这些枝节问题是完全没有用的。
It has never been explained why university students seem to enjoy practical jokes more than else.
谁也弄不清为什么大学生好像比任何人都更喜欢恶作剧。