perforate
v[Tn]
1 make a hole or holes through (sth) 在(某物)上穿孔或打眼
perforate the cover to let air in 在盖子上打眼让空气进入
[attrib 作定语]
a perforated ulcer 穿孔的溃疡.
2 make a row of small holes (esp in paper) so that it will tear easily 在(尤指纸)上打齿孔(以便撕开)
[attrib 作定语]
a perforated sheet of postage stamps 有齿孔的邮票联张.
It would be a waste of money to buy the IBM PC586.
买IBM586就浪费钱了。
Of course he is. He's very successful. He's made lots of records. They broadcast a programme of his music last month on the radio. Why don't you come on Saturday? I think you'd enjoy it.