“环境学”造句
城市灰尘是城市
环境学研究的对象之一.
Urban dust constitutes an important problem in urban environmental science.
这一计算方法不具有
环境学和生态学方面的意义.
The budgetary method doesn't have the meaning of environmental science and ecology.
作为一名曾经的商人, 他现在已经成为一名受人尊重的科普及
环境学作家.
A formal former businessman, he became a respected writer of science and environmental stories.