(pos:名詞)<explanation>yue:一種#游水 嘅姿勢；係背脊向下，頭向上而露出水面嘅姿勢，游嘅時候會望唔到前面eng:backstroke<eg>yue:太陽太曬嘅時候最好唔好游背泳。 (taai3 joeng4 taai3 saai3 ge3 si4 hau6 zeoi3 hou2 m4 hou2 jau4 bui3 wing6.)eng:You'd better not swim backstroke when it is too sunny.