作为课程的一部分，李曼玉的老师向学生们展示了学校存放实验动物的房间。
As part of the course, Li's teacher shows the students the rooms where the school keeps the animals for experiments.
东周时期(公元前770 - 221)玉刀配件都是一个传统，在以后的西周(公元前1050 - 771)开始的一部分。
Jade sword fittings of the Eastern Zhou period (770-221 BC) were part of a tradition that began in the later Western Zhou (1050-771 BC).
在里面，照相机显示有九个黑色数字印在血红色的墙壁，还有玉和贝壳的碎片，这些被认为是陪葬服装的一部分。
Inside, the camera revealed nine black figures painted on blood-red walls, along with jade and shell fragments, which are believed to be part of a funerary costume.
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