Baseplane
底平面, 基面, 基准平面
🗣️ 情景例句
This is true.
这倒是事实。
For my math requirements, I'll be taking algebra, calculus, and trig.
数学的必修学分预定选代数、微积分、三角法。
I usually come by bus. What about you?
我平常乘公共汽车。你呢？