未知的的用法和樣例：
例句
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文字代表一特定常量或數字的可知或未知的字母或符號，非編程者所規定
A letter or symbol that represents a particular constant or number, known or unknown, and is not programmer-defined. -
它的大部分對我是未知的。
Its greater part is unknown to me. -
這時(shí)，居里夫人的丈夫皮埃爾·居里也和她一起尋找這未知的放射性物質(zhì)。
At this time Madame Curie's husband Pierre Curie joined with her in search of the unknown radiation.
