Tonga has a reasonably sound basic infrastructure and well-developed social services .
汤加有一个听起来很合理的基础建设和发达的社会服务。
Tonga will now be a sea of mourning as subjects don black sashes wrapped around bark cloth .
汤加现今成了悲伤的海洋，人们穿着树皮布带着黑色腰带表达悼念。
That same year a glider owned by oregon state university watched an underwater volcano erupting in the lau basin near tonga .
同年，一艘俄勒冈州立大学所属的滑翔导弹观测到了汤加附近劳海盆一处海底火山的喷发。
The two former soviet republics are the largest economies remaining outside the wto , which today welcomes the tiny pacific island of tonga as its 151st member .
