您要查找的是不是：
- His sooty hand smudged the paper. 他被煤烟熏污的手把纸弄脏了。
- Recently they have laid an underground pipeline. 最近他们铺设了一条地下管道。
- All its stock in trade is glossy paper backs. 该店的全部现货是光面的平装书。
- Hard copy is computer output on paper, printing or graphics. 硬拷贝是出现在纸上、印刷上或图表上的电脑输出。
- The name and address of the firm are embossed on its paper. 商号的名字和地址凸印在信笺上。
- The missile is delivered from underground. 这种导弹由地下发射。
- The paper has a wide readership. 该报拥有广泛的读者。
- They were suspected of underground activities. 他们被怀疑进行地下活动。
- Moles stay underground most of the time. 钱鼠大部分时间住在地下。
- The boy is daubing a piece of paper with red ink. 那孩子正在用红墨水在纸上乱涂。
- He went underground to avoid capture. 他转入秘密工作以免被捕。
- I take a peck at my neighbor paper. 我偷看隔壁的考卷。
- The cavers discovered a vast underground chamber. 探穴人发现了一个地下大洞穴。
- The little girl drew a square on the paper. 小女孩在纸上画了一个正方形。
- The letter was written on a single sheet of paper. 这封信只用一张纸写成。
- The quickest way to go round the city is by underground train. 在这个城市四处走动最快的办法就是乘坐地铁。
- The mill where we often labour is a paper mill. 我们经常劳动的工厂是造纸厂。
- The mole bored (its way) underground. 鼹鼠在地下挖掘(路)。
- That paper has yellowed with age. 那张纸因年代久远而泛黄了。
- The prisoner escaped by digging an underground tunnel. 囚犯挖了一条地道逃跑了。
