Air transportation system

air [ɛə]

n. 天空;气氛;空运;（简单易记的）曲调; vt.& vi. 晾晒;烘干;播送;广播; vt. 使房间通风， 透气;

transportation [,trænspɔr'teʃən]

n. 运送，运输;运输系统;运输工具;流放;

trans转移+port拿，运+ation名词后缀→运输，运输业

system ['sɪstəm]

n. 体系，系统;制度;身体;方法;

sy(syn-=together)+ste(to stand)→系统；体系；秩序；制度；方法

What's the long buildings?

那座长形的建筑是什么？

He gets more professional satisfaction from teaching.

从事教育职业，他更感受到职业上的满足。

Pierre and I borrowed the money and bought the necklace. During the next ten years we both worked day and night to pay back the money we had borrowed. That's why I now look so old. Well, after all these years we've at last paid back all the money.

我和比尔借了一笔钱，买下了那条项链。在后来的10年时间里，我们两人为了偿还这笔借款不分昼夜地干活。这就是为什么我现在看起来这样老的原因。好了，过了这些年之后，我们终于还清了全部借款。