情景一:“哇,老师,我们真的能从樟树落叶中提取出驱蚊用的精油吗?”“这都是些什么器材,这么有趣。”“原来制作一份精油需要这么长的时间啊,看来当科学家也不容易啊。”科技社的成员正在进行樟树落叶精油提取实验,“玩”得不亦乐乎。情景二:“今天中午招收环保志愿者,请同学们及时报名。”“老师,还有志愿者的名额吗?没了啊,好可惜啊,明天还有吗?我一定要早点来。”学校的小志愿者们拿着工具,戴着帽子全身心地投入到自己的工作中,还有更多没有机会参与的同学期待着下次的 Scenario 1: “Wow, teacher, can we really extract mosquito-repellent essential oil from the deciduous camphor tree?” “What are some of these equipment, so interesting.” “The original need to make an essential oil Such a long time, ah, it seems that scientists are not easy. ”“ Science and Technology Society members are ongoing deciduous oil extraction experiments, ”play “ was overjoyed. Scenario 2: ”Today enrolled environmental volunteers at noon, please students apply in time. “ ”Teacher, volunteer places? . "The school’s small volunteers, with their tools, put their hats into their work, and more students who did not have the chance to participate were looking forward to the next