cos lettuce

英 [ˌkɒs ˈletɪs]

美 [ˌkɑːs ˈletɪs]

n.  直立莴苣; 长叶生菜

牛津词典

noun

• 直立莴苣；长叶生菜
  a type of lettuce with long crisp leaves

英英释义

noun

• lettuce with long dark-green leaves in a loosely packed elongated head
  Synonym:cosromaineromaine lettuce
• lettuce with long dark-green spoon-shaped leaves
  Synonym:romaine lettuceLactuca sativa longifolia

双语例句

• 30 species disease of leguminous vegetables ( including bean, pea, cowpea, haricot bean, horsebean) and other species of vegetables ( from, garlic, leek, carrot, caraway, spinach, celery, cos lettuce, fennel).
  豆科蔬菜（菜豆、豌豆、豇豆、扁豆、蚕豆）病害30种：其他蔬菜（葱、蒜、韭菜、胡萝卜、香菜、菠菜、芹菜、莴苣、茴香）病害39种。
• Study on the distribution and combined of selenium in cos lettuce
  莴苣中硒含量分布和赋存形态研究