undependable基本解释
adj.不可靠的;靠不住的;不可信赖的
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名词: undependability
adj.不可靠的;靠不住的;不可信赖的
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名词: undependability
"in the early 1950s computers were large and expensive and unreliable"
"an undependable assistant"
"an undependable generalization"