Nondimensional
无量纲(的), 无因次 (的)
🗣️ 情景例句
You won't believe it, Grandpa,
你绝不会相信， 爷爷，
I'll pretend I didn't see that.
睁一只眼，闭一只眼。
Are there any trees in the picture?
画里面有树吗？