如何使用 "sedge" 造句

1. Sedge grows in marshes or near water .
芦苇生长在沼泽地带或水边。
2. Sedge of eastern north america having numerous clustered woolly spikelets .
北美东部的一种莎草,具许多簇生绵毛小穗。
3. Widely distributed north american sedge having rigid olive green stems .
一种广泛分布于北美的莎草,具非常坚硬的橄榄绿色的杆。
4. So this is a sedge pollen grain from a marine core ?
这是海洋苔草上的花粉粒?
5. This sedge must be early cleaned because its ears goes out from the beginning of april .
这芦苇必须早被清洁,因为它的耳朵从4月初开始出去。