culm

例句：

1. 1. The tall grasses are growing in the field.
   高草在田野里生长。
2. 2. The tree's trunk is visible from here.
   这棵树的树干从这里可见。
3. 3. The stalks of wheat are bending under the weight of the rain.
   小麦的茎杆在雨中弯曲。