英语翻译Peter has written six papers so far.Man has now learned
英语翻译
Peter has written six papers so far.
Man has now learned to release energy from the nucleus of the atom.
There has bee too much rain in San Francisco this year.
The friendly relations and cooperation between our two countries have been enhanced in the past few years.
Up to the present everything has been successful.
Have you ever been to Beijing
I have never heard Bunny say anything against her.
I have used this pen only three times.It is still good.
George has met that gentleman on several occasions