He found himself picking at the scab on his left hand as he continued walking.
在他继续走时，他发现自己在抓左手上的疮痂。
As used on the little hand, picking the one into a basket carried on the back, as if tireless.
就那样用小手，一枚一枚的捡进背篓，仿佛不知疲倦。
Improved hand picking technology greatly enhance the mineral processing tate of waste in many dressing plants.
常温浮选是白钨选矿工艺的重大技术突破
She was a widow without any children, living barely from hand to mouth by picking odds and ends from rubbish heaps.
她没有孩子, 是一个寡妇, 靠在附近捡零碎的破烂儿勉强过活。
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