secondary bud副芽secondaryadj.次要的；从属的；中等教育的n.副手；次要位置secondary accentn.次重音；次重音符号secondary attack助攻secondary deposit次生矿床,二次矿床,次生沉积secondary mineral次生矿物secondary insider次要的内幕人士secondary sources次要资料secondary swirler副离心式喷嘴secondary uredium次生夏孢子堆secondary cambium次生形成层secondary Chinese中学语文