Tmah
[醫(yī)][=tetramethylammonium hydroxide]羥化四甲銨
??? 情景例句
What type of car did you want, sir?
先生，你想要什么類型的轎車？
I was so tired I couldn't keep up with her.
我太累了，跟不上她的步伐。
Don't close the window, Jim.Is he closing the window, Lily?
吉姆請不要把窗戶關(guān)上。莉莉，他在關(guān)窗嗎？