Peltogen
一种浮选剂
🗣️ 情景例句
Let's order pizza.
我们要比萨饼吧。
Sounds like fun.
听起来很有趣。
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。