易混淆的单词： CistCIST

He wants to be sure there is no cist or tumor back there .

他想去确认下那里有没有石柜或是肿块。

Love does not cist in gazing at each other but in looking outward together in the same direction .

爱情不在于相互凝视，而在于共同往外看着同一个方向。

These activities help students to meet new friends , experience canadian culture and make the most of their cist experience .

学生们通过这些活动结交新朋友并充分体验加拿大的风土人情。