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什么:what[what] 造句: Hello! What is your name? What is that? It is nice. What are you doing now? What这个单词大多用在问句。
zhouchang1988127
grade 英[greɪd] 美[ɡred]n. 等级; 年级; 职别; 成绩等级;vt. 评分; 安排; 依序排列,依等级排列; 评估;vi. 属于…等级; 缓缓地变化或发展;[例句]Dust masks are graded according to the protection they offer防尘口罩根据它们的防护效果分等级。[其他] 第三人称单数:grades 复数:grades 现在分词:grading 过去式:graded 过去分词:graded
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