试试 HanyuGuide 的主动间隔重复系统。
音频遵循 Creative Commons Attribution-ShareAlike 4.0 International License , 并基于 CC-CEDICT 的工作。
登录 以将此词语保存到你的学习列表。
vinyl
tetrachloroethylene
vinyl chloride (chloroethene C2H3Cl)
polythene
polytetrafluoroethylene (PTFE), trademarked as Teflon
polyvinyl chloride (PVC)
polystyrene
Styrene
second of the ten Heavenly Stems 十天干[shí tiān gān]
turning stroke (in Chinese characters), aka 折[zhé]
alkene