Ⅱ.单词简析

1) Heaps: much, a lot
很，非常的：许多，大量的

ex:When I grow up, I want to have heaps of money so I don't have to worry about anything.
等我长大的时候我想有很多钱，这样我就什么事情都不用担心了。

2) Shrinking: getting smaller
收缩，萎缩，缩水：变小

ex:Either all of my clothes are shrinking when I wash them or I am getting fatter!
要么我洗衣服时我的所有衣服在缩水，要么我在长胖！

3) Dwarf: a person of unusually small stature
侏儒：身材异常小的人

ex:Some people prefer to use the words 'little person' instead of dwarf, because they think it will cause less offence.
有些人更喜欢用“小个子”一词而不是侏儒，因为他们觉得那样不那么伤人。

4) Ergonomics: science of designing and arranging things so that the people and things interact efficiently and safely
工效学，工作环境改造学：设计与安排事物，使人与物的互动有效、安全的科学

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