| Front | 时效性 |
|---|---|
| Back | 时效 shí xiào effectiveness for a given period of time; prescription (law); aging (metallurgy) |
Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.
Next card: 奇巧巧克力 kit kats
Previous card: 归结到 归结 guī jié nutshell jié knot tie join
Up to card list: Mandarin sentences business casual