1.wreckage n. (失事船或飞机等的)残骸;(船只等的)失事
The wreckage slowly drifted away.
残骸慢慢漂走了 。
2.state-of-the-art adj. 最先进的;已经发展的;达到最高水准的
The system was state of the art.
这一系统是当时最先进的 。
3.concrete n.混凝土
The posts have to be set in concrete.
这些柱子必须固定在混凝土中 。
4.reflection n. 反射;沉思;映象
Inhibition in adulthood seems to be a reflection of a person's experiences as a child.
成年期的压抑似乎是一个人童年经历的一种反映 。