backstroken.

英 'bækstrəʊk | 美 'bæk'strok

中文n. 仰泳；反手击球\nvi. 仰泳；反手击球\nvt. 用反手击

仰泳；反手击球

vi. 仰泳；反手击球

vt. 用反手击

词根词源

backstroke (n.)1670s, "counter-punch," from back (adj.) + stroke (n.). From 1876 in swimming, from back (n.).

关键词

backstroke