最佳答案：ring是动词，名词。If you can 't come , please ring me up .如不能来，请打电话告诉我。I was just going to sp
ring是动词，名词。
If you can 't come , please ring me up .如不能来，请打电话告诉我。
I was just going to speak , when the bell rang .我刚要讲，钟就响了。
Do n't come unless i ring you up .除非我打电话给你，否则你不要来。
In the event of fire , ring the alarm-bell .一发现火情，就按警铃。
I was just having lunch when bill rang .比尔来电话时我正在吃午饭。
A subset s of a ring a is a subring of a .环A的子集S叫作A的子环。
The words are still ringing [reverberating] in one 's ears .言犹在耳。
