polarity
英 [p?(?)'l?r?t?]
美[p?'l?r?ti]
- n. [物] 極性；兩極；對立
GRE暢通詞匯TEM8IELTSCET6
詞態(tài)變化
復數(shù):?polarities;
助記提示
1、pol- + -arity(復合后綴).
中文詞源
polarity 兩級化，截然對立
來自pole,地級，兩級，-ity,名詞后綴。
英文詞源
- polarity (n.)
- 1640s, originally of magnets, from polar + -ity.
雙語例句
- 1. the growing polarity between the left and right wings of the party
- 黨內(nèi)左右兩派間日益明顯的對立
來自《權威詞典》
- 2. Polarity is inherent in a magnet.
- 極性是磁鐵的固有性質.
來自《現(xiàn)代英漢綜合大詞典》
- 3. There are miscellaneous tools, pliers , putty knife, polarity stamps, battery stamping or coding equipment, lead cutters.
- 有各種工具 、 手鉗 、 油灰刀, 極性印戮 、 電他標記打印或編號機 、 鉛切刀.
來自辭典例句
- 4. The polarity of the ends of the open - circuit conductor may then be deduced.
- 這樣就可以斷定開路導體兩端的極性.
來自辭典例句
- 5. It is not possible to try to salvage or change the polarity correctly by charging.
- 試圖補救或通過充電的方法把極性改過來是不可能的.
來自辭典例句