Shake the quilt heavily every week to recover the fibre elasticity.

每周将蚕丝被大力抖动，使被胎内部纤维恢复弹性。

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Shake the quilt heavily every week to recover the fibre elasticity.

每周将蚕丝被大力抖动，使被胎内部纤维恢复弹性。

youdao