| 摘要 |
A toothbrush, having a handle (11) and a bristle bearing head (1'3), the head (13) being flexibly and resiliently linked to an extended portion (12) of the handle, the extended portion (12) either surrounding the head (13) or the head (44) partly surrounding the extended portion (42), the head (13, 44) being capable of rocking motion relative to the extended portion (12, 42),
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