| 单词 | reverse curve | 
| 释义 | > as lemmasreverse curve   reverse curve  n. an S-shaped curve. ΚΠ 1821    L. Gompertz Specif. Patent in  Repertory of Arts 39 25  				When the carriage goes in a contrary direction, the reverse pin works against a whole side of the reverse curve. 1915    Amer. City Sept. 181/3  				There are many danger points in Portland on account of..irregular streets with reverse curves, bad turns and unsafe corners. 1929    D. N. Arms Churches of France 29  				The northern nave is the original one and has the more beautiful line, that subtle reverse curve. 1977    Mod. Railways Dec. 463/1  				In my experience speeds are limited not so much by reverse curves..but rather more by antique signalling. 2003    G. Diliberto I am Madame X 153  				Three-inch ‘Louis’ heels shaped in a graceful reverse curve. < as lemmas | 
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