magnet
n
1 piece of iron, often ina horseshoe shape, which can attract iron, either naturallyor because of an electric current passed through it, and which points roughly north and south when freely suspended 磁铁; 磁石. =>illus 见插图.
2 (fig 比喻) person or thing that has a powerful attraction 有强大吸引力的人或物
This disco is a magnet for young people. 这家迪斯科舞厅经常吸引大批年轻的顾客.
Once the oxygen content of the air had risen to 25% it was ready to burn.
一旦氧气在空气中的含量达到25%,它就要燃烧。
I am sorry that you have a disagreement with your father. Personally, I think it is important to follow your interests and your abilities, and it sounds as though you have plenty of both of these already.