Environmentalists are keen on degradable materials.环保分子特别喜爱能够自然分解的材料.Starch - based biodegradable plastics is a kind of important degradable polymer material.淀粉基生物降解塑料是一种重要的可降解高分子材料.Phosphate ester polymers are degradabl...
他们每天用无线电和叛军首领联系两次。They are in twice daily radio contact with the rebel leader.民兵首领已拦阻了该地区经由陆上运送食品的车队。Militia leaders had halted overland food convoys in the region.那个首领好像是魔鬼的化身。The leader seemed the devil incarnate....
At that second a trolley came hurtling by, heading downtown, its bell clanging loud.就在此刻,一辆开往闹市的电车风驰电掣而来, 铃声震耳.He wheeled the trolley down the corridor and disappeared with it into the service lift.他推着小推车走过走廊，之后进了员工专用电梯不...