喜樂美語
  1. 1

    To order, and often pay for, a product before it is officially released, so you're guaranteed one as soon as it comes out.

    預購、預訂（產品尚未上市前先訂購）

    例句逐字對照、搭配詞、易混淆字

    這一義的完整解析還沒打開。訂閱後可以看到例句怎麼拆、常跟哪些字一起出現， 以及容易跟它搞混的字。

    看看訂閱內容

組成pre- ("before") + order.

同家族的字

  • orderthe base word this is built from

原始詞典資料5 筆記錄

以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。

preorderverb/pɹiːˈɔːdə/

  • 1

    To order (goods or services) in advance, before they are available.

    • Preorder now at website.com!
  • 2

    To sort or arrange beforehand.

preordernoun/pɹiːˈɔːdə/

  • 1

    An order for goods or services placed in advance.

    • available for preorder
    • Head over to website.com and get your preorder in.
  • 2

    mathematicsorder-theorysciencesA binary relation that is reflexive and transitive.

    • The relation of logical implication over sentences is an example of a preorder.
    • Example 436 For each set A, the relation #92;subseteq is a preorder on #92;mathcal#123;P#125;(A).

preorderadj/pɹiːˈɔːdə/

  • 1

    computingcomputing-theoryengineeringSuch that, recursively, the root is visited before the left and right subtrees.

    • Now, the preorder traversal of a tree can be constructed from the preorder traversals of the subtrees rooted at the children of the root of the tree.
    • In the program given above, tree is constructed and is traversed in inorder, preorder and postorder traversal.

資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。