- clap skate
[clap skate 词源字典] - "In speed-skating: a type of ice skate designed for increased speed, consisting of a boot which lifts from the blade at the heel (affording the blade a longer time in contact with the ice) before snapping back into place", 1990s; earliest use found in The Montreal Gazette. From clap + skate, after Dutch klapschaats (from Dutch klap + schaats) with reference to the noise made by the skate when the blade snaps back into place.[clap skate etymology, clap skate origin, 英语词源]
