astigmatism
美音:[əs´tıgmə´tızəm
]
英音:[əs´tıgmə´tızəm
]
n.散光,因偏差而造成的曲解或错判
难易程度:
astigmatism为短语/超纲词汇
词形变化:
副词:astigmatically 形容词:astigmatic
近义词, 同义词
astigmatism
/ə'stɪgmətɪzəm; ə`stɪˇmə,tɪzəm/
n [U] defect in an eye or a lens that prevents correct focusing （眼睛）散光, 乱视; （透镜）像散性, 像散现象.
n [U] defect in an eye or a lens that prevents correct focusing （眼睛）散光, 乱视; （透镜）像散性, 像散现象.
astigmatism
n[U]
[Date: 1800-1900; Origin:A-2 + Greek stigma 'mark, point'; because there is no point at which light focuses]
difficulty in seeing clearly that is caused by a change in the inner shape of the eye
[Date: 1800-1900; Origin:A-2 + Greek stigma 'mark, point'; because there is no point at which light focuses]
difficulty in seeing clearly that is caused by a change in the inner shape of the eye
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