The step mother showed great concern for the daughter.
继母很关心女儿的健康。
At that time they showed great concern for the future of their country.
那时他们对国家的前途深表担忧。
As novel functional materials, mesoporous materials had a series of unique advantages on structure, many science. Researchers showed great concern for them.
介孔材料作为一种新型的功能材料，在结构上具有一系列独特的优点，备受广大科学研究者的关注。
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