is 小星 2026-03-12 20:49 单词库 15 is是什么意思、is怎么读 读音:英[ɪz] 美[ɪz] is 基本解释 vt.& vi. 是(be的三单形式n. 存在 is 词性变化 原型:be 中文词源 is 是 来自PIE*es,是,存在,词源同essence,interest,sooth,Bodhisattva. is 相关问题 end credit 2026-03-12 20:49:25 1 5 muscat 2026-03-12 20:49:25 1 5 pick 2026-03-12 20:49:25 1 5 rear window 2026-03-12 20:49:25 1 5 absent 2026-03-12 20:49:25 1 5 asked sb to do sth 2026-03-12 20:49:25 1 5 Pagani 2026-03-12 20:49:25 1 5 altruism 2026-03-12 20:49:25 1 5 machine learning 2026-03-12 20:49:25 1 5 engross 2026-03-12 20:49:25 1 5 reservior 2026-03-12 20:49:25 1 5 remorse 2026-03-12 20:49:25 1 5