lower bell

例句：

1. 1.The lower bell rang at 6 o'clock.
   六点钟时，下铃响了。
2. 2. The clock chimed the hour as it struck midnight.
   时钟在午夜敲响了十二点。
3. 3. The church bell rang out a warning for the approaching storm.
   教堂的钟声响起，警告即将到来的暴风雨。