Aggrecan
聚集蛋白聚糖
🗣️ 情景例句
Sure.
不用谢。
While we were having breakfast,John was talking on the telephone.
当我们正在吃早餐时，约翰正在打电话。
Many people in industry and the Services, who have practical experience of noise,regard any investigation of this question as a waste of time;
在工业部门工作和在军队中服役的许多人对噪音有切身的体会，他们认为对这个问题进行调查是浪费时间，