Polarity
[ pə'lærəti ]
其它 Other
n. [物]极性;[生]反向性;对立;[数]配极;
💡 词根助记
polar极点 + ity 表名词 →极性
📝 例句
An electric terminal with positive polarity.
带正极性的一个电极
Magnetic polarity;ionic polarity.
磁极性，离子极性
polarity subinterval
极性亚间隔
The polarity of the ends of the open-circuit conductor may then be deduced.
这样就可以断定开路导体两端的极性。
A magnet has polarity.
磁铁具有极性。
🌱 联想助记
polar 极，pole 是棍子，polar 就是棍子的极
🔤 词根
📖 牛津释义
polarity
n
1 [U, C] (in a magnet) possession or location of negative and positive poles （磁体的）极性
the polarity of a magnet 磁体的极性
reversed polarity/polarities 反转极性.
2 [U] ~(between A and B) (fig 比喻) difference or separation(between people or things) in condition, views, etc （人或物之间条件、 看法等的）分歧, 对立
the growing polarity between the left and right wings of the party 党内左右翼间日益增大的分歧.
🔁 扩展释义
*[pәu'læriti]n. 极性, 截然相反【医】 极性, 极性现象
🏥 医学释义
极性，偏极，归向
🌿 同词根单词
📖 同为「CET-6」词汇
查看全部CET-6词汇 ›🗣️ 情景例句
Between 1850 and 1910 the bison population is thought to have fallen from 60 million to just a few hundred.
人们认为，在1850年到1910年之间，野牛的头数从6，000万头降到只有几百头了。
Following his discovery many islanders travelled 3,500 kilometers by sea in their narrow boats to this new country between 1100 and 1350.
继其发现之后，许多岛民于1100年至1350年间驾着他们那窄小的帆船航行3500公里来到这一新的国度。
How did the bees know exactly in which diection to fly?
蜜蜂是怎样确切地知道朝哪个方向飞呢？