常見(jiàn)例句On the day the sluice gate was to be opened, a huge crowd gathered on the banks.在開閘放水的那一天，好些人來(lái)到了堤壩上。Before the arrival of the huge flood peak, the Yangzi River successfully opens its sluice gate and releases the flood.在大洪峰到來(lái)之前，長(zhǎng)河順利開閘泄洪。 返回 full-gate