Gras
abbr. 一般认为安全（Generally Recognized as Safe）
🗣️ 情景例句
Don't laugh. In the beginner's class,they give you a chance to rest between exercises.
别笑。在初级课程中你有机会休息。
Could you please explain the premises of your argument in more detail?
你能详细说明你们的论据吗？
Who do you make them for?
你做机器干什么呢？