well-head (also `well-spring)

n source of a spring or fountain 泉源.

Well Tempered Clavichord, well up in, well-advised, well-aimed, well-appointed, well-balanced, well-being, well-born, well-bred, well-built, well-connected, well-defined, well-disposed, well-done, well-dressed, well-educated, well-established, well-fed, well-founded, well-groomed, well-heeled, well-informed, well-intentioned, well-kept, well-known, well-meaning, well-meant, well-oiled, well-preserved, well-pressed, well-read, well-rounded, well-spoken, well-tempered, well-thought-of, well-thumbed, well-timed, well-to-do, well-tried, well-turned,