Lateral force can not brush back and forth otherwise they will damage gums.

不可横向来回用力刷，否则会损伤牙龈。

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Big diameter pipe can be composed of several round steel brush together, at both ends with wire tightly, within the lumen pull brush back and forth, until the metal color, reoccupy cotton brush clean.

大管径管子可由几个圆钢刷组装在一起，两端用铁丝扎紧，在管腔内来回拉刷，直至露出金属本色，再用棉纱拉刷干净。

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Tom moved his brush carefully backwards and forwards and stepped back to look.

汤姆小心地前后移动他的刷子，然后后退一步看。

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High beta tech yesterday provided some cash flow opportunities as they gave a small brush back pitch for the Bears.

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Place the brush at the back of the nail (slightly away from the cuticle) and ease it lightly toward the cuticle line, then float the brush down the nail toward the tip.

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Anschutz's first brush with Hollywood goes as far back as 1967, when he characteristically drove a hard bargain.

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