Celloyarn
n. 玻璃纸条
🗣️ 情景例句
That's all right, Susan.
没有错， Susan。
Slow as molasses.
慢吞吞的！
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。