Make light pencil lines so that they will erase easily.

铅笔划得淡一些，这样容易擦掉。

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You can mark your books with light pencil marks to indicate words you'd like to practice.

你可以轻轻地用铅笔在书上做标记标出你计划练习的重点词汇。

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These he transferred in light pencil onto large sheets of Arches 300-pound hot-press paper, some of them as much as six feet in length, at which point Zega set to work painting the reconstructed edifices in intense watercolor hues, taking as long as a month on each.

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Mr. Cassagnes, an electrical technician, came upon the Etch A Sketch idea in the late 1950s when he peeled a translucent decal from a light switchplate and found pencil-mark images transferred to the opposite face, the Toy Industry Association said.

WSJ: Etch A Sketch Inventor Dies at 86

The same is true of the pose in which Freddie initially sees him: pooled in light, brow clutched, pencil in hand, one careful comma of blond hair dangling down, as if posing for the portrait of a thinker.

NEWYORKER: Sail Away