| 释义 |
〔unfruitful〕Not bearing fruit or offspring; barren.不结果实的；无效的：不产生果实或后代的；不育的〔blackberry〕Any of various shrubs of the genusRubus, having usually prickly stems, compound leaves, and an aggregate fruit of small drupelets. 黑莓：一种灌木悬钩子 属，通常有带刺茎干，复合叶和小核果的聚生果实 〔thimbleberry〕Any of several North American raspberries, especiallyRubus parviflorus, R. occidentalis, or R. odoratus of the rose family, having thimble-shaped aggregate fruit. 香莓：一种北美悬钩子，尤指蔷薇科的茅莓 或 糙莓 ，有套环状聚生果实 |