lettuce with long dark-green spoon-shaped leaves
同义词：cos lettuce??/??Lactuca sativa longifolia
lettuce with long dark-green leaves in a loosely packed elongated head
同义词：cos??/??cos lettuce??/??romaine
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。