第1个回答 2010-12-28
这是一串钥匙:This is aset of keys. 那是一串钥匙:That is a set fo keys
第2个回答 2010-12-30
This is a bunch of keys
That is a bunch of keys.
这是..用This is..
那是..用That is..
第3个回答 2010-12-28
This is a bunch of keys.
That is a bunch of keys.本回答被网友采纳
第4个回答 2010-12-28
This is a string of keys. That is a string of keys.