Uniplanar
a. 位于同一平面的
🗣️ 情景例句
You have to cook dinner for the entire family.
你今晚得替全家做晚餐呢。
As the call, so the echo.
发什么声音，有什么回声。
My wife and I are walking along the banks of the river.
我和妻子沿河岸走着。