请输入您要查询的英文单词:
单词
electret
释义
elec·tret
\-rə̇t\
noun
(
-s
)
Etymology:
electr
icity + magn
et
1.
:
a dielectric body in which a permanent state of electric polarization has been set up
2.
:
the material of which an electret is composed
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更新时间:2026/2/28 0:03:18