In telephony, a signal used by a telephone operator to gain the attention of another, or a signal sent by a subscriber held by an operator to gain the latter's attention. 在電話(huà)技術(shù)中，電話(huà)操作員使用的一種信號，用來(lái)獲得另一次注意，或由操作員保持的用戶(hù)發(fā)送的一種信號，用以獲得隨后的注意。
I want to have it send by an urgent telegram. 我想用加急電報把它發(fā)出。
Kindly acknowledge receipt, and have the goods send by last motorship in September. 收到本單后，來(lái)函告知，并希最遲于九月底以前裝船為盼。
