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
Yeah, Grandpa,
对呀， 爷爷。
The old lady takes delight in visits from her grandchildren.
那个老妇人以孙辈门看她来为乐。
Most of North and South China will have a cold wet day.
华北、华南大部分地区将寒冷潮湿。