spotty
[ˈspɑ:ti]
adj.
多粉刺的（尤指脸上）;
带斑点的，有污迹的;
adv.
多斑点地;
n.
有污迹，带斑点;
例句:
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She was rather fat, and her complexion was muddy and spotty.
她比较胖，脸色暗淡、多斑。
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What do you think of Hirst's spotty statue?
来自THETIMES
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He quit in 1981—had a spotty political career.
他在1981年辞职了——其政治生涯几经沉浮。
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His attendance record was spotty.
他的出勤记录时好时差。
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Communications have been difficult because of spotty cellphone service.
来自WSJ
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The Philippines, however, has a spotty record.
来自VOA