Pallen

常见例句

On the ground fully pile up the pallen leaves.
地上堆满了落叶。
Pallen leaves during trees autumns.
树木秋天时落叶。
The most common cause is pallen pollen .
最常见的就是花粉。
The grass is gradually dried-up and withering and pallen leaves.
草渐渐干枯、枯萎并落叶。
Trees usually produce pallen pollen in the spring, grasses in the summer and witts weeds in the fall as part of reproductive process.
春天的树木，夏天的草和秋天的杂草在他们繁殖过程中常常会产生花粉。
The grass is gradually dried-up and withering and pallen leaves
草渐渐干枯、枯萎并落叶。