Cluster expansion

cluster ['klʌstɚ]

n. 丛;簇，串;群;[语言]辅音群; vi. 丛生;群聚; vt. 使密集，使聚集;

expansion [ɪk'spænʃən]

n. 扩大;扩张;扩张物;膨胀物;

ex出+pans扩展+ion表表名词，构成抽象名词 →扩张，expanse扩大

Would you describe yourself as outgoing or more reserved?

你认为你是个外向的人还是内向的人？

I'm sure you need an original signature, not a faxed copy.

我知道你们需要的是原件，不是传真件。

I want to ask you for your advice. When I leave school, I want to be an engineer. For years I have been interested in engineering. I have made tools at home and have written articles for magazines. My father says that engineering is not a suitable subject

我希望得到您的指点。中学毕业后，我希望成为一名工程师。多年来，我一直对这个方面感兴趣。我在家制作各种用具，给杂志写文章。我的父亲说工程学不适合女孩子学。他要我学习地理。可是我对这门学科一点也不感兴趣。我尝试阅读有关这方面的书籍，然而，我感到索然无味。我该?2283