He has become their unofficial science teacher and takes them on unusual field trips to places like a toilet-paper plant, an aircraft carrier, and even the city dump for Seattle's East Side.
盖茨已经成为了他们非正式的科学老师，而且领着他们进行一些不同寻常的实地考察，比如去卫生纸的生产工厂，参观航空母舰，甚至去西雅图东边的城市垃圾站。
Therefore, it is feasible to substitute conventional alkaline deinking by near-neutral sulfite deinking in paper plant.
因此，近中性亚硫酸钠脱墨代替常规的碱性脱墨在纸厂是可行的。
My father is a worker, he works in a paper plant.
自己爸是个工人，在一间造纸厂工作。
My father is a worker, he works in a paper plant.
自己爸是个工人，在一间造纸厂工作。
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