| 单词 | lightfast |
| 释义 | lightfast in American English (ˈlaɪtˌfæst) adjective that will not fade because of exposure to light Derived forms lightfastness (ˈlightˌfastness) noun lightfast in American English (ˈlaitˌfæst, -ˌfɑːst) adjective not affected or faded by light, esp. sunlight; colorfast when exposed to light Derived forms lightfastness noun Word origin [1955–60; light1 + fast1] |
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