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单词 estriol
释义
es·tri·ol (ĕstrī-ôl, -ōl, -ŏl, ĕ-strī-)
n.
An estrogenic hormone, C18H24O3, that is a metabolite of estradiol and is present chiefly during pregnancy. It is produced by the placenta and is found in the urine of pregnant women.

[ES(TRUS) + TRI- + -OL1.]
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