callan的用法和樣例：
例句
用作名詞 (n.)
- Which kind of entertainment will the callan do in future 20 years?
今后的二十年青少年將作什么娛樂(lè )活動(dòng)？ - Maybe the callan should not be so worried,but will have more wrangle with parents and behave badly in school.
而青少年也許沒(méi)那么擔心，但卻會(huì )更多地與家長(cháng)發(fā)生口角或在學(xué)校里表現不好。
