true

中文： 真、忠诚、忠贞、忠实

1. Conforming to the actual state of reality or fact; factually correct. · This is a true story.
2. As an ellipsis of "(while) it is true (that)", used to start a sentence · True, I have only read part of the book, but I like it so far.
3. Conforming to a rule or pattern; exact; accurate. · a true copy· a true likeness of the original
4. Of the state in Boolean logic that indicates an affirmative or positive result. · "A and B" is true if and only if "A" is true and "B" is true.
5. Loyal, faithful. · He’s turned out to be a true friend.
6. Genuine; legitimate; valid; sensu stricto. · The true king has returned!· This is true Parmesan cheese — it is from the Parma region.
7. Used in the designation of group of species, or sometimes a single species, to indicate that it belongs to the clade its common name (which may be more broadly scoped in common speech) is restricted to in technical speech, or to distinguish it from a similar species, the latter of which may be called false. · true sparrows (Passer)· true spiders
8. Accurate; following a path toward the target.

比较级 truer · 最高级 truest