Amidinourea
[化] 脒脲
??? 情景例句
There are three things that have to be done first, Harry.
首先我們必須做三件事， Harry。
My class went camping last summer.
去年夏天我們班去露營了。
But he wanted to see the old folk again and to visit my mother's grave.
但是，他想看一看家鄉(xiāng)父老鄉(xiāng)親，為我的母親掃墓。