| 释义 |
ex·tra·ne·ous /ekˈstreɪnjəs/
a.
1. 体外的，外部的；外来的；新异的
extraneous moisture 外部潮气
an extraneous substance 外来物质
There were extraneous minerals in the water supply that made it unsafe to drink. 自来水中含有外来无机物，使水不宜饮用。
extraneous reflex 【心】新异反射
extraneous stimulus 【心】新异刺激
2. 非必要的；无关的
an extraneous scene that added nothing to the play 未给剧本增加什么东西的一段非必要情节
The teacher made many extraneous remarks. 教师说了许多与本题不相干的话。
3. 【数】额外的，客的
an extraneous root 额外根(或客根)
[< L extrāneus external < extrā outside] |