stay [stei]
v.停留;留下;暂住
toilet [´tɔilit]
n.(有冲洗式马桶的)厕所,洗手间,盥洗室
towel [´tauəl]
n.毛巾
联想记忆:to+wel(看作well,井)→到井边洗毛巾→毛巾