Willow leaf的用法和样例：
例句
- Everyday the sun would play hide and seek with me from behind the leaves of the willow and then would drown in the pond.
太阳每天都会躲在柳叶后面和我玩捉迷藏，之后便隐没在那片池塘中。 - The latter was more sensitive than the other two in biomass allocations to leaf and to sexual reproduction,and its ramet death ratio also increased as total initial density did.
比起普通野生稻和柳叶箬种群，长喙毛茛泽泻种群在光合份额和有性生殖份额方面对密度的变化要敏感得多，其无性小株死亡率也随着初始密度的增加而上升。
