Fairyflies are as thin as a thread.
仙人蜂像一根线那么细。
Impact tapping, as a novel technology of internal thread processing, has some important effect and a good applied foreground in the machining of small diameter thread, especially for thin board.
冲击攻丝作为一种新型的内螺纹加工技术，在解决小直径薄板内螺纹加工方面发挥着重要的作用，并具有良好的应用前景。
A thin thread of path dwindled and finally disappeared as it climbed the steep slope of the down.
一条小径越远显得越细，在爬上土丘的陡坡时终于消失了。
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