Protoset
普罗託氧气唿吸器
🗣️ 情景例句
Is Miss Zhang in?
张小姐在吗？
The whole carton is packed with double straps, each corner of the carton consolidated with metal angles.
纸箱外加了两道箍，每个箱角都用金属角加固。
At last I hung up the receiver.
我终于挂上了话筒。