常見例句On the day the sluice gate was to be opened, a huge crowd gathered on the banks.在開牐放水的那一天,好些人來到了堤垻上。Before the arrival of the huge flood peak, the Yangzi River successfully opens its sluice gate and releases the flood.在大洪峰到來之前,長河順利開牐泄洪。 返回 full-gate