急躁的环保主义者又转战另一个必败的领域，缓和气候变化，此时硬石咖啡厅的招牌也熄灭了。
Anxious greens switched to another losing cause, mitigating climate change, and the Hard Rock cafe took down its sign.
同学建议改建维多利亚公园，设置表演场地、环保火车、摩天轮、迷宫、石卵路、水滑梯及世界博物馆。
Students proposed to re-design the Victoria Park to include a performance stage, environmentally friendly sightseeing rail, a Ferris wheel, a maze, a water slide and a museum.
自发极化强度大的电气石具有净化空气和水的作用，在环保建筑装饰材料、净化水和空气材料中有很大的应用价值。
The tourmaline with great spontaneous polarity can purify water and air. So it can be used in building decorating material, purifying water materials and cleaning air materials.
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