"he could learn at second hand from books"
"I prefer to buy second hand"
Secondino塞孔迪诺
secondadj.第二的;次等的;再一个的num.第二n.片刻;秒adv.第二;其次v.支持;赞成;附和;调派
second-grade notary二级公证员
Second Macedonian War第二次马其顿战争 (公元前200-前196)
second largest market第二大的市场
Second Chicago School第二芝加哥学派
second direct circuit第二直通电路
second generation IUD第二代宫内节育器