Polytech
abbr. polytechnic 多种工艺的; polytechnical （传授）多种工艺的，多种科技的
🗣️ 情景例句
I have approximately three-year experience using a computer.
我有大约三年操作电脑的经验。
Packing has a close bearing on sales.
包装直接关系到产品的销售。
You haven't finished your lunch!
你没吃完午饭！