Cagd
计算机辅助几何设计
🗣️ 情景例句
It's so good to have you home again ...
真高兴 ，你又回家了……
Experience keeps a dear school, but fools learn in no other.
吃亏学乖代价高，笨汉非此学不好。
The glasses keep their eyes safe.
眼镜可以使眼睛不受伤害。