Haikou
n. 海口(中国海南省省会)
例句
We stayed in Haikou for a short rest and then we drove on to Sanya.
我们在海口休息了一会儿,然后开车去三亚。
How far is it from Haikou to Sanya?
从海口到三亚有多远?
She will fly to Haikou as soon as she finishes the task.
她一完成任务就会飞往海口。