To work triceps, stand with resistance band along your back, holding the tubing in one hand and stretching the other band with your other hand over your head.
锻炼三头肌的时候将橡皮筋套在后背，一只手抓住橡皮筋的一头，另一只手抓住橡皮筋的另一端拉升橡皮筋至头顶上方。
Stand up straight, place your right hand on your left shoulder and move your head gently. Do the same thing for the right shoulder.
站直，将右手放在左肩上，轻轻活动头部，同样，将左手放在右肩上，活动头部。
Do not shout or stand when the bus is running, do not say bad words, do not put hand, arm, head, or other parts of body out of the window, and do not do homework on the bus.
行车时不得在车上大声喧哗或离开座位，不说脏话，不要将手、胳膊、头或身体的其他部位伸出窗外，不能在校车上做作业。
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