A transparent cover is provided to protect the disc against accidental marking or smudging.

圆盘外有透明的防护罩,以免偶然在圆盘上弄上污点或线迹.

辞典例句

Consider phthalates, those chemicals that help preent makeup from smudging.

如酞酸盐, 这些化合物用于帮助化妆品防止脱落.

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As is often the case with orchards, cool - season crops sometimes need frost prevention by smudging.

象通常在果园防霜那样, 寒季作物有时也需要烟熏防霜.

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