点击下方单词,选择对的这个单词
点击下面链接下载与本句相关的学习资源，包括PDF教材和音频练习，方便课后复习：
1. an arrangement of leafy branches forming the top or head of a tree
2. fruiting spike of a cereal plant especially corn
Synonym: earspike
3. a dense cluster of flowers or foliage
e.g. a head of cauliflowera head of lettuce
Synonym: head
多通过句子记忆单词，而不是单独死记硬背。
