expand and contract

expand and contract

expand and contract 单语例句

1. 911查询·英语单词

1. Wu also encouraged the two countries to expand cooperation on rail transportation and water and power project construction and earnestly implement the signed contract project.

2. The company also clinched a US $ 510 million contract with China Mobile to expand its GSM network and improve data services in Beijing and 13 provinces.

3. The lung worked by producing positive and negative pressure on the lungs that caused them to expand and contract so that she could breathe.

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