A green vegetable or herb used in salad, especially lettuce.

沙拉中使用的绿色蔬菜或食用植物，尤指莴苣。

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Transportation costs also are a major factor in food prices, especially for water-heavy vegetables such as romaine lettuce.

运输的价格是影响食品价格的一个重要因素，对于富含水的蔬菜，如直立莴苣，更是如此。

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All fruits and vegetables, especially green vegetables such as broccoli, lettuce, cabbage, spinach, are alkaline.

所有的水果和蔬菜，特别是绿色蔬菜(如绿椰菜、莴苣、卷心菜、菠菜)都是碱性食物。

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People are still being advised to avoid eating raw tomatoes, cucumbers and leafy salad including lettuce, especially in the north of the country, until further notice.

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