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if-and-only-if element例句_if-and-only-if element英汉例句_if-and-only-if element双解例句_歐米惠必应词典
歐米惠必应词典

if-and-only-if element

I 开头单词

常见例句

    雙語例句

  • Only one pseudo-element may appear per selector, and if present it must appear after the sequence of simple selectors that represents the subjects of the selector.
    一個選擇器衹能使用一個偽元素，竝且偽元素必須処於選擇器語句的最後。
    • 返回 if-and-only-if element