preliminary

Compared meaning: happening at an early stage (adjective).

比较义项：初步的，探索性的（形容词）。

• preliminary 本词

  Preliminary describes something that happens first and prepares for a more important or final stage; it stresses sequence, is common with results, reports, rounds, and hearings, and often implies more work follows.

  preliminary 表示先于并为更重要或最终阶段做准备的事情；强调先后顺序，常与结果、报告、轮次、听证会等搭配，且往往暗示后面还有更多工作。

  The preliminary heat determines who advances to the final race.

  预赛成绩决定谁能晋级决赛。

• exploratory

  Exploratory describes something undertaken purely to investigate or discover more about a subject, with no implication that a further, more important stage will follow; common with surgery, studies, and talks.

  exploratory 表示纯粹为了探查或了解某个课题而进行的，并不意味着之后还会有更重要的阶段；常与手术、研究、会谈等搭配。

  The surgeon performed exploratory surgery to find the cause of the pain.

  外科医生进行了探查性手术，以查明疼痛的原因。

Preliminary and exploratory both describe an early stage, but differ in focus. Preliminary stresses coming before something more important, and often implies a more formal stage follows, as with results or hearings. Exploratory stresses investigating a topic, without implying a more important stage follows.

这两个词都可以形容某项活动处于早期阶段，但侧重不同：preliminary 强调发生在更重要的事情之前、按顺序做准备，往往暗示后面还会有更正式或更完整的阶段；exploratory 强调为了探查、了解某个课题而进行，并不暗示后面一定还有更重要的阶段。