extra
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US
Paraphrase
分析词义
"Extra"是一个英语单词,作为形容词,它的意思是"额外的",指超过通常的、预期的或者规定的数量或者程度。作为副词,它表示"特别地","非常"。同时,"extra"还可用作名词,表示"额外加收的费用"或者"加班费"。
列举例句
词根分析
"Extra"来自拉丁语"extra",原来的意思是"在…之外"。因此,"extra"就保留了这个词根的原意。
词缀分析
"Extra"是一个非派生词,它没有词缀。
发展历史和文化背景
"Extra"这个单词在17世纪中叶开始被广泛使用,最初被用作前缀,比如在"extraordinary"(非凡的)中,它表示"超出一般的"意思。然后,"extra"**出来,作为形容词、副词、名词使用,意为"额外的"。
单词变形
作为非派生词,"extra"没有变形,但可以与其他单词组合成固定搭配,例如:"Extra charge”(额外费用)"Extra work”(额外工作)"Extra time"(加时)
记忆辅助
你可以关联到词根的原意以帮助记忆,例如,extra一词可以想象成外面有一个"额外的"物品。
小故事
This is my first time flying first class. The extra legroom and personalized service are truly worth the extra charge.这是我第一次乘坐头等舱。额外的腿部空间和个人化服务真的值得额外的费用。
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