单词	polythene
释义	polythene /ˈpɒlɪθiːn / noun [mass noun] British A tough, light flexible synthetic resin made by polymerizing ethylene, chiefly used for plastic bags, food containers, and other packaging: strips of black polythene [as modifier]: a polythene bag... Polyethylene, or polythene as it was marketed in Britain, began as a polymer with little practical use. New plastics were invented such as neoprene in 1932, polythene in 1933 and Perspex in 1934. I recall the poinsettia being the most labour intensive, involving complicated light control and messing about with black polythene bags. Origin 1930s: contraction of polyethylene.
随便看	Denys, St deoch an doris deodar deodorant deodorise deodorization deodorize deodorizer Deo gratias deontic deontological deontologist deontology Deo volente deoxidation deoxidise deoxidize deoxidizer deoxycorticosterone deoxygenate deoxygenation deoxyribonuclease deoxyribonucleic acid deoxyribose dep.

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