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。
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to manufacture
to retreat; to withdraw
to retire (from the workforce); to go into retirement
retirement pay
chemical element Au
two
to rest
(bound form) rail; track; course; path
double-track