introduced例句
He
introduced radio to the school to increase the children's awareness.
他在学校开通广播，以提高孩子们的警觉性。
In 1971, the 1p and 2p decimal coins were
introduced in Britain.
英国于1971年开始使用十进制的1便士和2便士硬币。
She showed me round and
introduced me to everybody.
她领着我四处看了看，将我介绍给每个人。