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单词
unsustainable
释义
WordReference Random House Unabridged Dictionary of American English © 2024
un•sus•tain•a•ble
(un′sə stā
′
nə bəl),
USA pronunciation
adj.
not sustainable;
not to be supported, maintained, upheld, or corroborated.
un
-
1
+
sustainable
1670–80
un′sus•tain
′
a•bly
,
adv.
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derived form
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更新时间:2025/11/7 18:41:49