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单词 protium
释义 pro·ti·um
I. \ˈprōd.ēəm, -ōshē-\ noun
Usage: capitalized
Etymology: New Latin, perhaps from prot- + -ium
: a large genus of chiefly tropical American trees (family Burseraceae) having pinnate leaves and slender-pediceled paniculate flowers that are succeeded by globose drupes — see caranna, elemi
II. noun
(-s)
Etymology: International Scientific Vocabulary prot- + -ium
: the ordinary light hydrogen isotope of atomic mass 1 — symbol H1 or 1H; compare deuterium, proton, tritium
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