adj.行动迟缓的,反应慢的,不机警的,懒散的,不活泼的,无精打采的
They regulate the flow of water by the sluice gate.
他们用水闸门控制水的流量.
They sluice the streets down every morning.
他们每天早晨冲洗街道.
We opened the sluice and the water poured in.
我们打开闸门,水就涌了进来.