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单词
thermion
释义
thermion
—
thermionic
,
adj.
—
thermionically
,
adv.
/therrm"uy'euhn, -on; therr"mee euhn/
,
n. Physics.
an ion emitted by incandescent material.
[
1910-15; THERM- + ION
]
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更新时间:2026/1/10 12:14:07