Baseplane
底平面, 基面, 基准平面
🗣️ 情景例句
Don't cross that bridge till you come to it.
没到河边，先别操心怎么过桥。
Do you ever do exercises on Saturday?
你曾经在星期六做练习吗？
Never mind. So now you know what you should do.
不要紧。好了，现在你知道该怎么做了吧。