Practical Books are the ever-burning lamps of accumulated wisdom.

实践的书是累积智慧永不灭的灯。

youdao

It was practical books about fortifications, hydraulics, artillery, navigation, and shipbuilding.

而是实际的书籍，比如有关防御工事的，水力学，炮术，航海和造船的。

youdao

He is a teacher at a New Hampshire high school where learning is not something of books and tests and mechanical memorization, but practical.

他是新罕布什尔一所高中的老师，在那里，学习不是书本、考试和机械记忆，而是实践。

youdao

It was practical books about fortifications, hydraulics, artillery, navigation, and shipbuilding.

而是实际的书籍,比如有关防御工事的,水力学,炮术,航海和造船的

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Unfortunately, there is no practical way for me to rip my books.

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From their books to their blogs, their philosophy of providing simple, user-friendly software and practical business-building strategies is woven into every product like DNA strands.

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In practical terms, that means iPad-controlled seating charts, web-based guest lists and look-books delivered almost instantaneously after each show.

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