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
When's the last time you took a vacation?
上次你去度假是什么时候？
I met her at the department store.
我在百货公司遇到她。
My particular experience is largely in oil,
我是专门搞石油的，