Prototyping
[计] 样机研究, 原型设计
🗣️ 情景例句
Your downstairs neighbor let me in.
楼下的邻居让我进来的。
It is the bridle and spur that makes a good horse.
要把马练好，缰绳靴刺少不了。
THE LOST BOOK
一本丢失的书