carex

例句：

1. 1. The riverbank is covered in tall reeds during the summer.
   夏天河岸边长满了高高的芦苇。
2. 2. The scientist collected samples of various reed species for further study.
   科学家采集了各种芦苇样本以便进一步研究。
3. 3. The rushes were used to make baskets and mats by the native people.
   当地人用芦苇编织篮子和垫子。