floodgate的例句（floodgate在句子中的用法）

• The ruling would open a floodgate for pregnant mainlanders to come to Hong Kong. 是次判决或会引发大陆孕母偷渡潮.
• The floodgate was closed to control the flow of water. 为了控制水流,防洪闸门关闭了.
• The floodgate is closed to control the flow of water. 为了控制水流，防洪闸门关闭了。