Polytunnel
塑料大棚；塑料暖房
🗣️ 情景例句
Would you like a cocktail before dinner?
你要在饭前来杯鸡尾酒吗？
The machines will be made of the best materials and the stipulations of the contract be strictly observed.
机器将用最好的材料生产，合同的规定也将得以严格履行。
To get a full appreciation of what this means we must turn first to some recent human inventions.
要透彻理解这句话的意义，我们应先回顾一下人类最近的几项发明。