厦门湾自然海湾湾口从围头到镇海角。
The natural coastline of Xiamen Bay extends from Weitou Cape to Zhenbai Cape.
头围是大脑体积的一个衡量指标，所以新生儿头围越大，表明他们的大脑发育越快。
Head circumference is an indicator of brain volume, so a greater increase in head circumference in a newly-born baby suggests more rapid brain growth.
当一位制帽商测量你的头围时，他是为了找出适合你的帽子型号。
When a hatter measures the circumference of your head, he's trying to work out what size of hat would fit you.
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