| 释义 | trich·o·cyst \ˈtrikəˌsist\ noun
 Etymology: trich- + -cyst
 : one of the minute projectile structures that release adhesive threads when discharged, are common in the ectoderm of protozoans, and are comparable to but less complex than nematocysts
 • trich·o·cys·tic \| ̷ ̷ ̷ ̷|sistik\ adjective
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