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单词
semidiameter
释义
sem·i·di·am·e·ter
AHD
[sĕm'ē-dī-ămʹĭ-tər, sĕm'ī-]
D.J.
[ˌsemiːdaɪˈæmɪtə, ˌsemaɪ-]
K.K.
[ˌsɛmidaɪˈæmɪtɚ, ˌsɛmaɪ-]
n.
(名词)
The apparent radius of a celestial body when viewed as a disk from Earth.
半径:一般指从地球上看到的象圆盘的球形天体的二维平面半径
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uncalled-for
uncalled–for
uncanny
uncap
uncared-for
uncared–for
uncaring
Uncas
uncaused
unceasing
uncelebrated
uncensored
unceremonious
uncertain
uncertainty
uncertainty principle
uncertified
unchain
unchallengeable
unchangeable
unchanging
uncharacteristic
uncharged
uncharitable
uncharted
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更新时间:2026/11/3 10:15:29