Baseplane
底平面, 基面, 基准平面
🗣️ 情景例句
This has been a great learning experience for us, Marilyn.
这对我们是一次很好的学习经验， Marilyn。
Do not sell the bear's skin before you have caught the bear.
熊未到手休卖皮（勿过早乐观）。
Ideas are dangerous.
思想是危险的。