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The Shenzhou-14 taikonauts have given their first lecture from China's space station,
近日，神舟十四号飞行乘组航天员在中国空间站进行了首次授课，
wowing millions with microgravity experiments and research on plant growth in orbit.
微重力环境下的实验和有关植物在太空中生长的研究，让数百万观众惊叹不已。
The astronauts started the class by giving the audience a tour of Wentian, the space station's first lab module.
开课伊始，航天员们带领观众参观了中国空间站的首个实验舱--“问天”实验舱。
They introduced equipment and appliances on board, like the different cabinets for biological technology and variable gravity experiments.
他们介绍了实验舱中的设备和用具，比如生物技术实验柜和变重力实验实验柜。
They moved on to demonstrate several water-related phenomena in a microgravity environment,
随后，航天员们演示了微重力环境下与水相关的几种现象，
such as the capillary phenomenon, which were liquid flows in a narrow space without assistance.
如毛细效应，即液体在狭窄的空间内无辅助流动。
In another experiment, they showed the differences between liquid and liquid-solid mixtures in a weightless environment.
在另一项实验中，他们演示了在失重环境下液体和液固混合体之间的差异。
The crew displayed the sampling procedure on rice and thale cress seedlings -- plants often used for research purposes.
此外，飞行乘组还演示了用于研究的水稻和拟南芥幼苗的采集过程。
The plants have been growing inside a special cabinet since July 28.
自7月28日以来，这些植株一直在一个特殊的实验柜中生长。
They also took questions from students on Earth, encouraging young people to take up an interest in science.
关于地球上学生们提出的问题，航天员们也进行了解答，并鼓励年轻人培养对科学的兴趣。
