单词	poolroot
释义	poolroot noun : a common perennial herb (Eupatorium aromaticum) of the eastern U.S. with opposite leaves and loose clusters of heads of white tubular flowers Word History Etymology pool entry 1 + root
随便看	time ball time base time belt time bet time bill time bomb time bombs time book time buyer time capsule time card time chart time charter time clerk time clock time clocks time constant time copy time depth time dilation time error time expires time exposure time fire time flies

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