名詞 expansion:

1. the act of increasing (something) in size or volume or quantity or scope
   同義詞：enlargement
2. a discussion that provides additional information
   同義詞：enlargement, elaboration
3. adding information or detail
   同義詞：expanding upon

1. His economic policies paved the way for industrial expansion.
   他的經(jīng)濟(jì)政策為工業(yè)的擴(kuò)展鋪平了道路。
2. The expansion of the factory will mean the employment of sixty extra workers.
   工廠的擴(kuò)展意味著將增雇六十名工人。
3. The time has come for the firm to consolidate after several years of rapid expansion.
   公司經(jīng)過幾年的迅速發(fā)展之後，該整頓一下了。
4. The circumstances were not propitious for further expansion of the company.
   這些情況不利于公司的進(jìn)一步發(fā)展。
5. The thermostat is based on the fact that different metals have different coefficients of expansion.
   恒溫器是以不同的金屬有不同的膨脹系數(shù)這一事實(shí)為根據(jù)的。
6. A congenital condition characterized by the incomplete expansion of the lungs at birth.
   肺膨脹不全一種先天性疾病，特征為出生時(shí)肺部不完全膨脹
7. This book is an expansion of the play he wrote before.
   這本書是他以前寫的劇本的擴(kuò)充。
8. Metals undergo expansion when heated.
   金屬加熱時(shí)會膨脹。

ex.pan.sion

n.（名詞）

The act or process of expanding:
擴(kuò)張： 擴(kuò)張的行為或過程：
例句：
the new nation`s expansion westward.
新國家的西部擴(kuò)張

The state of being expanded.
被擴(kuò)大的狀態(tài)

An expanded part:
延伸部分：
例句：
an expansion of a river.
河流的延伸部分

A product of expanding:
擴(kuò)充物：由擴(kuò)展行為造成的東西：
例句：
a book that is an expansion of the author`s Ph.D. thesis.
這部書是作者哲學(xué)博士論文主題的延伸

The extent or amount by which something has expanded.
擴(kuò)展部分：某物延展的長度或數(shù)量
Increase in the dimensions of a body.
身體體積的增加
Mathematics
【數(shù)學(xué)】
A quantity written in an extended form, as a sum of terms or a continued product.
展開式：以展開形式寫出的量，象數(shù)字的總和或連續(xù)的乘積
The process of obtaining this form.
展開：得到展開式的過程
An expanse.
廣闊
A period of increased economic or business activity.
經(jīng)濟(jì)或商業(yè)行為的擴(kuò)展時(shí)期