gain n. increase of possessions; profits obtained 获得；(~s)收益
v. obtain; increase; be improved 获得，增加
词组 gain experience 获得经验
gain （put on）weight 增加体重（反义词：lose weight）
gallery n. room for the display of works of art; long walk 走廊；画廊
词组 art gallery 画廊
game n. form of play with rules; athletic contests; animals hunted 游戏；运动；比赛；猎物
词组 video game 电子游戏 ball games 球类运动 play the game 进行比赛
big game 大型猎物（如野猪，熊等）
