thor·ough·wort /-ˌwɝt, ˌwɔrt/
穿心佩蘭
Thor·ough·wort n. Same as Boneset.
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thoroughwort
n : perennial herb of southeastern United States having
white-rayed flower heads; formerly used as in folk
medicine [syn: boneset, agueweed, Eupatorium
perfoliatum]