not occur once in ten years; be seldom seen; be very rare; hard to meet in many years 短语和例子 这样大的洪水真是十年九不遇。 a flood of this sort is really unprecedented
Related Translations:
这样大的洪水真是十年九不遇: a flood of this sort is really unprecedented
Example Sentences:
1.
A flood of this sort is really unprecedented . 这样大的洪水真是十年九不遇。
