Chinese ragwort
A variety of the mineral pyroxene.
A rare species of ragwort, Sinacalia tangutica, endemic to China
(medicine) Of a contraceptive method, based on the monitoring of the woman's cervical mucus and changes in her body temperature.
Work, usually of a professional nature, either repetitive or done to a formula.
その植物学者は中国特産の珍しいキク科植物（Sinacalia tangutica）を注意深く分類して、その限られた山地の生息地を記録した。
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