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单词
l-tryptophan
释义
l-tryptophan
\¦ ̷ ̷ ˈ ̷ ̷ ̷ ̷ ˌ ̷ ̷ \
noun
Usage:
usually capitalized L
:
the levorotatory form of tryptophan that is a precursor of serotonin and was used formerly as a dietary supplement especially to promote sleep and relieve depression
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更新时间:2026/10/20 3:44:34