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The U-44 was a German U-boat that served in World War I, part of the U-43 class of submarines.
记录了夕阳下田园风光的美丽景象,晚霞、金黄色的小草和摇曳的狗尾草,伴随着晚风,展现了一片宁静而美丽的乡村景色。
Learn about the fundamental principles of electric circuits, including voltage, current, resistance, and common components like wires, batteries, and switches.
A demonstration of using a slingshot to humanely kill invasive cane toads, a common pest control method in some regions.
Explore how robots are being integrated into classrooms to enhance STEM education and promote interactive learning experiences for students.
Discover the basics of hydroponics in this 1-day training course, covering soilless growing methods, system design, and plant care.
Take a tour of a state-of-the-art hospital, featuring advanced medical facilities and equipment, and learn about the latest healthcare technologies and innovations.
The Terminator star and former Governor of California acknowledges and waves to his enthusiastic fans in a public appearance.

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