Polyisoprene
n. [化]聚异戊二烯
🗣️ 情景例句
Please help me to get things straight.
请帮助我把事情搞好。
Nothing venture, nothing have.
不入虎穴，焉得虎子。
Heavy iron chains around his feet and hands were fixed to a metal bar that ran round the hall about ten centimetres off the ground.
手上和脚上沉重的铁链拴在厅堂四周离地约有10厘米的金属杆上。