I stare at the train window marked with soft dust.
我注视着那沾有微尘的车窗。
Some think that all the extra dust, dander and bacteria train a baby's immune system, stopping it from reacting unnecessarily.
研究人员对此仍意见不一。有人认为宠物身上的灰尘、皮屑、细菌都会让婴儿的免疫系统产生反应，阻止不必要的反应。
Some think that all the extra dust, dander and bacteria train a baby's immune system, stopping it from reacting unnecessarily.
研究人员对此仍意见不一。有人认为宠物身上的灰尘、皮屑、细菌都会让婴儿的免疫系统产生反应，阻止不必要的反应。
应用推荐