地道美语听力练习:仔细核查报告中的数字

例句:All right, no need to say any more.
好了，不要再说了。

2.end up 最终;告终

例句:The result was that the engine ended up at the bottom of the canal.
结果引擎最终沉到了运河底。

3.sign off 签字

例句:If you work without signing off the dole you are breaking the law.
如果就业后未注销领取失业救济金的登记视为触犯法律。

4.tooth comb 齿梳

例句:They used a small hammer drill hammer or bone shark tooth comb to do the hoe-type needles, the ink injected into the skin.
他们使用小锤子锤打钎骨或鲨鱼牙齿做的锄式梳形刺针，将墨水注进皮肤里。