extentions
美
英 
例句
Extentions and modifications of the tools have greatly increased their usefulness and the range of their applications.
随着网络技术的不断发展和完善,更扩大了它们的用途和应用范围。
So are agriculture departments and university extentions extensions in a number of states.
农业局和很多地区的大学分校都在为此而努力。
Should International Companies register their domains with all of the extentions ? ? ?
跨国公司是不是要把包含这些后缀的域名都注册掉呢???。