Sulfonic
a. 磺酸基的\\n[医] 磺[基]的
🗣️ 情景例句
is that you have us.
就是有我们帮助。
What was the weather like yesterday?
象昨天一样的天气？
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。