我回到家，练习用棍子打钉子，直到我能做到为止。今天早上我很早起床，然后再次尝试。
I went home and practiced hitting a nail with a stick till I could do it, and I got up very early this morning, and tried again.
当牙齿的齿质剩下不多时候，若要做牙冠，则必须在牙根内打钉子，做上冠心，以做出牙齿必要的假牙支撑部分。
When the ivory of teeth not much time left, to Crown, you must hit the nail in the teeth, coronary heart on doing, necessary to make teeth denture supporting parts.
地毯的边应用小钉子钉住，以防打卷。
The edges of the carpet should be tacked down to prevent them from curling.
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