Remos
一种(由于苔藓制成的多孔板)吸声材料
🗣️ 情景例句
Cloning technology is good news for those patients who need organ transplants.
克隆技术对于那些需要器官移植的病人来说是个福音。
The whole class is in a heated discussion.
全班同学正在热烈讨论。
The further off this solid obstruction, the longer time will elapse for the return of the echo.
固体障碍物越远。回声返回所用时间就越长。