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2026英语单词在线查_免费看外语词汇翻译-单词机
secondary
secondary英英释意
secondary
英 ['sek(ə)nd(ə)rɪ] 美['sɛkəndɛri]
英英释义
考试真题
实用场景例句
adj. 第二的;中等的;次要的;中级的
n. 副手;代理人
英英释意
1. the defensive football players who line up behind the linemen
2. coil such that current is induced in it by passing a current through the primary coil