iceberg lettuce
iceberg-lettuce的词性:n.(名词)
1. A crisp, round, compact head of lettuce with light green, tightly folded leaves.球叶莴苣:长有紧叠的淡绿色叶子的一种有脆而结实的圆头的莴苣
iceberg-lettuce的词源:
2. [From its pale color] [源自其浅淡的颜色]