adj.旧的;用过的;二手的;<贬>(消息、信息等)间接得来的;
例句:
He had an immense collection of secondhand books.
他收藏了大量旧书.
This is a book I bought secondhand years ago.
这是我几年前买的一本旧书.
Is this camera new or secondhand?
这架照相机是新的还是旧的?