
和…一樣快
Can you run as fast as Mike?
你能和邁克跑得一樣快嗎?
Run as fast as you can.
你盡量快跑。
Things are not moving as fast as we hoped.
事情的進展不像我們希望的那麼快。
Pinocchio ran as fast as he could.
皮諾喬盡可能快地跑。
A car journey is as fast as a train journey.
汽車旅行和火車旅行一樣快。
"as fast as"是英語中常見的比較級結構,屬于"as...as"同級比較句型,表示兩個事物在速度或效率上的等同性。該短語的語義和用法可從以下角度分析:
基本結構與語義 該結構遵循"as + 形容詞/副詞原級 + as"的固定搭配,例如:"The cheetah runs as fast as a sports car"(獵豹奔跑速度與跑車相當)。第一個"as"作副詞修飾形容詞,第二個"as"作連詞引導比較對象(來源:劍橋詞典-英語語法指南)。
使用場景特征
語法特性 比較對象需保持邏輯對等性,如:"Electric cars can be as fast as gasoline-powered vehicles"(比較同類交通工具)。否定形式使用"not as fast as"結構,例如:"Conventional trains aren't as fast as maglev trains"(來源:牛津英語語法手冊)。
常見搭配詞彙 常與運動動詞搭配:run/drive/move/work + as fast as。在科技文本中多與processing speed, data transmission, reaction time等專業術語組合使用,如:"5G networks deliver data as fast as 10 Gbps"(來源:IEEE通信技術白皮書)。
注意事項 口語中可用"so fast as"替代第一個"as",但僅限否定句:"No animal runs so fast as the peregrine falcon dives"(遊隼俯沖速度超過所有陸地動物奔跑速度)。比較對象缺失時可能産生歧義,需通過上下文明确參照系。
"as fast as" 是一個英語比較結構短語,核心含義是表示兩個事物的速度處于同等水平。以下是詳細解析:
基本結構
由兩個"as"構成框架:第一個"as"後接副詞或形容詞原級(此處是副詞fast),第二個"as"引出比較對象。
例如:
• boxed{She runs as fast as the wind}quad(字面速度對比)
• boxed{Please reply as fast as possible}quad(慣用表達,強調"盡快")
詞性差異
語境延伸
常見誤用提示
擴展知識:該短語的否定形式為"not as fast as",如boxed{Trains aren't as fast as planes},此時表達速度差異。在口語中常與"nearly/almost"連用,形成boxed{The new model is nearly as fast as the prototype}的漸進比較句式。
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