| 释义 |
mother-of-pearlBrE /ˌmʌðər əv ˈpɜːl/NAmE /ˌmʌðər əv ˈpɜːrl/ (also pearl) noun [U] the hard smooth shiny substance in various colours that forms a layer inside the shells of some types of shellfish and is used in making buttons, decorative objects, etc. 珠母层；珍珠母 |