[译] 金属加热后方可拉长成丝。
[误] After heating, the metal can be hauled into a long wire.

[正] After heating, the metal can drawn into a long wire.
[注] 动词draw常指“拖拉”比较轻便的物品，如：The fisherman drew in his net.渔人拉网。/Draw your chair up to the table.把你的椅子拉到桌边来。动词haul往往指“拖拉”笨重之物。如：The workers hauled timber to a sawmill.工人们把原木拖往锯木厂。/Two engines are needed to haul trains over the mountains.两个车头才能把火车拖过山。