筒的用法和样例：
例句
-
手电筒的光束扫遍屋内各个角落。
The flashlight's beam scanned every corner of the room. -
烟斗，烟筒抽烟用具，由木头、粘土或其他物质组成的管子，一头带有小吹嘴
A device for smoking, consisting of a tube of wood, clay, or other material with a small bowl at one end. -
单簧管，黑管一种管乐器，有直的圆筒形管身和一个外敞的管口及一个单簧吹口，以指孔和键的方式演奏
A woodwind instrument having a straight, cylindrical tube with a flaring bell and a single-reed mouthpiece, played by means of finger holes and keys. -
线缠绕在纸筒上。
The string is wound round a cardboard cylinder. -
滚筒是洗衣机必不可少的部分。
The cylinder is a crucial part of the washing machine.
