triethyleneWiktionary 原文构词拆分tri-前缀Three. · (chemistry) Used for the digit three to form systematic element names of elements whose existence has been predicted, and which have not yet been given a trivial name.+ethylene词根/词干词源说明From tri- + ethylene.释义（英文）名词 Noun(organic chemistry, in combination) Three ethylene groups in a molecule词族派生词（3）triethylenediaminetriethylenemelaminetriethylene glycol (TEG)相关词（17）ethylenemonoethylenediethylenepolyethylene (PE)tri-eth--yl-eneethylethaneetheneethyneethenylethynyltriethyltriethenyltriethynyl