clock-on circuit强制同步电路
clock-on锁定
Quest clock tower on Lygon奎斯特利根钟塔酒店
Clock display on LED panel时钟显示的LED显示屏
put your clock forwardbyput on穿上
clock on right时间居右
put the clock on把时钟拨快
clock on and off上下班打卡
Clock on the wall钟在墙上
PHRASAL VERB（动词词组） When workers clock on at a factory or office, they put a special card into a device to show what time they arrived. 打卡上班
They arrived to clock on and found the factory gates locked.
他们到了就去打卡上班，结果发现工厂大门锁了。