But even Japanese automakers still have more work to do before fuel-cell or electric vehicles are completely environmentally friendly.
但是要使燃料或电动交通工具对环境完全无害，即使是日本制造商也还有很长的路要走。
The products made by both companies are completely recyclable, environmentally friendly and create woods that are actually harder than most tropical hardwoods.
这两家公司的产品是完全可循环利用的，利于环保的，并且比多数热带硬木更加坚实。
Biodegradable in soil can be completely broken down on the surrounding environment not to cause harm, it is more desirable environmentally-friendly fiber.
可生物降解，在泥土中能完全分解，对周围环境不造成损害，是比较理想的环保纤维。
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