de·ter·rent /-ənt, rənt/
(a.)制止,防止,挽留挽留的事物,妨礙物
De·ter·rent a. Serving to deter. “The deterrent principle.”
De·ter·rent, n. That which deters or prevents.
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deterrent
adj : tending to deter; "the deterrent effects of high prices"
n : something immaterial that interferes with or delays action
or progress [syn: hindrance, impediment, balk, baulk,
check, handicap]