源头，水源；车上的弹簧头。的英文

springhead

• 源头:    headstream; head; ...
• 水源:    headwaters; waterh ...
• 车:    chariot,one of the ...
• 上:    upper; up; upward
• 的:    4次方是 The fourth po ...
• 弹簧:    spring; mechanical ...
• 头:    5点就得动身 have to sta ...