Second
adj.第二次,此等的,再一個的 (the second) （有特指,用the)
eg.Her beautiful roses won the second prize at the flower show.
她那些美麗的玫瑰在花展上得了二等獎.
n.第二 (the second)
eg.The second round was a complete massacre.
第二個回合是十足的慘敗.
n.片刻,秒(a second)
eg.The train will leave in a second.
列車馬上要開了.
adv.第二,其次(second)
eg.Second,smoking is harmful also to your family members.
第二,吸煙也會給你的家人帶來危害.
vt.支持,贊成,附和
eg.I second his motion that we should set up a special board to examine the problem.
他提議成立一個特別委員會來研究這個問題,我贊成.
建議LZ去研究下 a,an ,the用法會比較有幫助