to try or examine something to see if it works properly
尝试或检查某物以查看它是否正常工作
"Developers are testing out the beta version of the app."
"开发人员正在测试应用程序的Beta版本。"
to expand one’s work into more creative fields or approaches
to stop falling and begin to rise again
to remove something from a surface by rubbing
to submit school or college work to the teacher
to produce or achieve something that was promised or expecte...
to talk confidently and convincingly