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Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
仅允许单向运动、视线等的；单向的。
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仅允许单向运动、视线等的；单向的。；只允许单向通行的。；对任意输入易于计算,但难以由随机输入的输出逆推。；单行道的；单程的
Allowing movement, vision, etc. in only one direction; unidirectional.
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仅允许单向运动、视线等的；单向的。
Allowing movement, vision, etc. in only one direction; unidirectional.
只允许单向通行的。
Allowing travel in only one direction.
对任意输入易于计算,但难以由随机输入的输出逆推。
Of a function: easy to compute for every input, but hard to invert given the image of a random input.
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Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.