Old buses are major contributors to pollution in British cities.破旧的公交车是造成英国城市污染的主要因素。Older people are important contributors to the economy.老一辈人为发展经济作出了重要贡献。The core of regular contributors is essential to the magazine.有...
You can store the meat in our deepfreeze.你可以把这些肉储存在我们的(极)低温的冷藏箱里.The content of organic acid increase rapidly the process of deepfreeze and augmenttheof cold storage.速冻过程中有机酸含量迅速增加,还原糖和维生素C含量 则迅速降低.This text discussed th...