Deadener
隔音材料
🗣️ 情景例句
Western countries have evry strict visa requirements.
在西方国家有严格的签证要求。
I ate oatmeal for breakfast yesterday.
我昨天早饭吃的是麦片。
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。