a substance or chemical that is biodegradable can be changed by the action of bacteria to a natural state that will not harm the environment可生物降解的oppositenon-biodegradable
All active ingredients of this soap powder are 98% biodegradable within three days.该肥皂粉的所有活性成分均可在三天内生物降解98％。
Most plastics are not readily biodegradable.大多数塑料不易生物降解。
Collocations The environmentThe environment环境Environmental damage环境破坏
cause/contribute to climate change/global warming引起气候变化／全球变暖
produce pollution/CO2/greenhouse (gas) emissions产生污染／二氧化碳／温室气体排放
damage/destroy the environment/a marine ecosystem/the ozone layer/coral reefs破坏环境／海洋生态系统／臭氧层／珊瑚礁
manage/exploit/be rich in natural resources管理／开发／有丰富的自然资源
dump/dispose of hazardous/toxic/nuclear waste倾倒／处理有害／有毒／核废料
dispose of/throw away litter/(especially British English) rubbish/(especially North American English) garbage/(North American English) trash/sewage处理／扔掉垃圾／废物；排放污水
use/be made from recycled/recyclable/biodegradable material使用回收／可回收／可生物降解材料；由回收／可回收／可生物降解材料制成