pen·ny·weight /ˈpɛniˌwet/
英國重量單位
pen·ny·weight /ˈpɛnɪˌwet/ 名詞
便士重量
Pen·ny·weight n. A troy weight containing twenty-four grains, or the twentieth part of a troy ounce; 1.555 grams; as, a pennyweight of gold or of arsenic. It is abbreviated dwt or pwt. It was anciently the weight of a silver penny, whence the name.
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pennyweight
n : a unit of apothecary weight equal to 24 grains