poundal是源自英语的词语，是一个物理学单位，表示单位质量的受力量程度，等于1磅的重量在1秒钟内施加在1英尺长度上的力。它通常用于描述非常小的物体受到的力的大小。以下是9个含有poundal的例句：
1. The force exerted by the wind on the sail is only a few poundals.（风对帆的推力只有几个poundals。）
2. The weight of the feather is only a few poundals.（这个羽毛的重量只有几个poundals。）
3. The acceleration of the car was measured in poundals per second squared.（汽车的加速度以每秒平方poundals计量。）
4. The force required to move the box only a few inches was only a few poundals. （移动盒子只需要几个poundals的力。）
5. The gravitational force on the apple was measured in poundals.（苹果所受的重力以poundals计量。）
6. The frictional force on the ball was only a few poundals.（球所受的摩擦力只有几个poundals。）
7. The force required to lift the book was calculated in poundals.（抬起这本书所需的力以poundals计算。）
8. The weight of the pencil was measured in poundals.（这支铅笔的重量以poundals计量。）
9. The force exerted by the magnet was only a few poundals.（磁铁所产生的吸力只有几个poundals。）
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