他说：“小组成员首先进行讨论，然后向全班展示。”
"Group members first discuss," he said, "and then show to the whole class."
公司的科研小组，正在采用先进泵式喂料系统，为大型飞行器，研制动力更加强大的引擎，现在正在为商业客户的需求，进行飞行测试实验。
The XCOR team then developed a more powerful engine with an advanced pump-fed fuel system for a larger aircraft now being flight-tested for a commercial customer.
这个机器人现在还比较原始，但是（科研）小组正在开发一个更先进的型号。
The robot is still a little primitive right now, but the team are already working on a more advanced version.
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