leaf的意思是:n.葉葉片葉子有…狀葉的有…片葉的(紙)頁,張(尤指書的)頁薄金屬片活動桌板。v.翻…的頁,匆匆翻閲。
例句: leaves on the plant had shrivelled up from lack of water.  
因為缺水,植物的葉子已經枯萎了。
2、The leaves of certain trees are poisonous to cattle.  
某些樹的葉子會毒害牲畜。
3、When she leaves school, she wants to learn a trade.  
她畢業後想學一門手藝。