iceberg lettuce

n. 〈植〉卷心莴苣

例句与用法：

Four days after the Titanic set out, a very big iceberg floated towards her.

泰坦尼克号出发四天以后，一座巨大的冰山向它漂来。

The ship was holed by an iceberg.

冰山把那船撞出了窟窿。

Most of the iceberg is under the water.

冰山的大部分在水面以下。

详细释义：

ph.

【植】卷心莴苣, 球叶莴苣