The new report "couldn't come at a better time", says Gerald Wheeler, executivedirector of the National Science Teachers Association in Arlington.
位于阿灵顿的美国国家科学教师协会执行理事杰拉尔德·惠勒表示,这份新报告“来得正是时候”。
2
China was praised as "one of the most successful countries worldwide in greening the desert" by United Nations Environment Programme ExecutiveDirector Erik Solheim.
联合国环境规划署执行主任埃里克·索尔海姆称赞中国是“世界上绿化沙漠最成功的国家之一”。
3
I am a social worker, a lobbyist, and a special assistant to the executivedirector at the National Association of Social Workers.