名词源泉，起源
1. 源泉：headsman 刽子手 | headspring 源泉 | headstall 马笼头
2. 源泉/起源：headspace /顶部空间/顶端空间/ | headspring /源泉/起源/ | headstall /马笼头/
3. 起源：headspring 头带簧 | headspring 起源 | headsproutingseason 抽穗季节
4. 头带簧：headspartree 首柱木 | headspring 头带簧 | headspring 起源
noun
1. the source of water from which a stream arises
e.g. they tracked him back toward the head of the stream
Synonym: fountainhead head