| 单词 | hard and fastness |
| 释义 | hard and fastness/ˌhɑːd (ə)n(d) ˈfɑːs(t)nəs/ /ˌhɑːd (ə)n(d) ˈfas(t)nəs/noun The quality or condition of being rigidly laid down or prescribed; inflexibility; fixedness. Origin |
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