He dug under the wash basin and he found an old razor blade then spent a half hour carefully scraping away at the glue on the flap.
他在洗脸盆盆下翻出一个旧剃须刀片，然后花了半小时仔细刮掉口盖上的胶。
2
I flap the flies away but soon they fly back.
我把苍蝇赶走，但一会儿又飞回来了。
3
The flap is formed in the end wall over the hole and is movable away from the second end when an elongate device is introduced through the passage and the hole.