arrowhead的用法和樣例：
例句
用作名詞 (n.)
- The arrowhead need not have caused death.
那個箭頭不一定會造成死亡。 - Only the arrowhead, carved from some milky blue stone, had any color.
只有箭頭，是用乳狀的藍寶石雕刻的，發出一些色澤。 - Although the vegetable named arrowhead can be eaten, few people from the north actually eat it.
茨菰這種植物雖然能夠食用，但在北方很少見到有人吃。
辭彙搭配
- arrowhead scale 箭頭介殼蟲
