Rigid pvc
[化] 硬聚氯乙烯; 硬质聚氯乙烯
🧩 词语组成解析
聚氯乙烯\\n[计] 永久虚电路
🗣️ 情景例句
He's running for the school board.
他正在竞选联合校董会董事。
It's a hard job, but I hope he can make it.
这不是件容易的差事，但我希望他能做到。
To protect themselves from the icy water, they had to wear special rubber suits.
湖水冰冷刺骨，他们必须穿上一种特制的橡皮服以保护自己。