动丝方法用的是一卷铜丝慢慢绕过工件，其功能必须与带锯一样，不同的是铜丝只能使用一次。
The traveling-wire method employs a reel of copper wire that is slowly fed past the workpiece and functions much the same as a band saw except the wire is used only once.
“在它干之前不要动它，”他告诫说，而莫丝则把婴儿放在它旁边。
"Before it dries, " he cautioned, and Moth put the baby down next to it.
探春交给了李纹，李纹急忙把竿垂下，觉得丝儿一动，忙挑起一看是个空钩。
She handed the pole to Li Wen, who lowered the line, and raised it when she felt a jerk, only to see an empty hook.
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