Secondary structure
[化] 二级结构
🧩 词语组成解析
secondary
['sɛkəndɛri]
adj. 第二的，中等的;助手，副手;中等教育的;间接的;
n. 副手，代理人;[天]双星中较小较暗的一个，卫星;[语]次重音;
second第二+ary...的→第二的
🗣️ 情景例句
You are always straying from the subject.
你说话总爱跑题。
Who wrote that music?
那首音乐是谁写的？
You and Lily must come over to my house and see!
你和莉莉应该到我家来看看！