Twohien.图伊twonum.二；两个two site assay双位测定two-jet type双射型two-quartersnum.四分之二two-gap head双隙磁头two-worlders双重世俗人two thin walls双薄壁墩two-port VNA二端口矢量网络分析仪two-variable双变量two-computern.双计算机；双机two parameters两参数

1. A tennis contest won by the player or side that wins a specified number of sets, usually two out of three or three out of five.
   网球赛一方赢得规定盘数便告结束的网球比赛，通常是三盘两胜或五盘三胜