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quicksand (n.)
[quicksand 词源字典]
c. 1300, from Middle English
quyk
"living" (see
quick
(adj.)) +
sond
"sand" (see
sand
(n.)). Old English had
cwecesund
, but this might have meant "lively strait of water."
[quicksand etymology, quicksand origin, 英语词源]
[quicksand 词源字典]