anticipatory

anticipatory
[anˈtɪsɪpəˌt(ə)ri]
adjective
  1. happening, performed, or felt in anticipation of something
    事情尚未发生前就发生(或完成、感觉到)的
    an anticipatory flash of excitement.
    事情还未发生就突如其来的一阵激动。
    ■(Law)(of a breach of contract) taking the form of an announcement or indication that a contract will not be honoured
    (律)宣称(或有迹象表示)不愿遵守合约的
    ■(Grammar)denoting the use of ‘it’ as a dummy subject or object, anticipating the true subject or object, which comes later in the sentence (as in it is easy to please John)
    (语法)先行的
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