astaticadj.
英 ə'stætɪk | 美 e'stætɪk
中文adj. 不安定的；[物] 无定向的；不稳定的
词根词源
astatic (adj.)1827, from Greek astatos "unstable, not steadfast," from a-, privative prefix (see a- (3)), + statos "placed, standing," from PIE root *sta- (see stet).
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