Cultured and natural pearls will feel slightly rough , like fine sandpaper , because of the texture of natural nacre.

天然珍珠和人工养殖珍珠会有些许粗躁的感觉，如同细砂纸般，那是真珠质的天然触感。

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If you like, you can very lightly sand the rudder with fine grade sandpaper.

如果您喜欢，您可以很轻易沙舵与罚款级砂纸。

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