许多学生讨厌在钉钉上上课，所以给钉钉打了一星评价。
Many students hated to have classes on DingTalk, so they gave it one-star reviews.
高尔夫鞋有锋利的金属鞋钉，而保龄球鞋几乎一个鞋钉都没有。
Golf shoes have sharp metal spikes (鞋钉), while bowling shoes have almost no spikes at all.
简单的艺术-用一个小钉板，画出不同形状不同颜色的橡皮筋，直到所有挂钉都至少被用过一次。
Simple Art - Take a pegboard and stretch different color rubber bands in various shapes until every peg has been used at least once.
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