crepis
(medicine, smoking) A unit for measuring the number of cigarettes a person has smoked previously; it is calculated by multiplying the average number of packs of cigarettes the person smokes per day...
Not premature.
(chiefly UK, Canada, US, colloquial, mildly vulgar) Of poor quality.
The central spicule of a sponge, upon which silica is deposited.
顕微鏡下で、生物学者はシリカが沈着する海綿の中心棘を慎重に分離し、シリカ層がどのように堆積するかを調べた。
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DiQt
Free
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