重点讲解：
1. be made from （由…）构成的；（由…）制成的；
Wine is made from grapes.
葡萄酒是用葡萄做的G__%2Z#&5E8Hg。
2. be associated with 有关联的；相关的；
This syndrome is associated with frequent coughing.
这种综合征与经常咳嗽有关nLvym^^B..0&6uGNT4FM。
3. auction off 拍卖掉；
Her dresses will be auctioned off for charity.
她的衣物将被拍卖以资助慈善事业GsStwcB+tAh-&PhRASQ。
4. make sure 一定要；设法保证；
Please make sure all mobile phones are switched off during the performance.
请确保演出时关上所有手机!DFc19^5Oy_b~K。