stemming rod

例句：

1. 1. The tree's trunk isvisible through the thick foliage.
   这棵树的树干通过茂密的叶子可见。
2. 2. The scientist used a stemming rodto cut the branch cleanly.
   科学家用一根茎杆锯子把树枝切得干净利落。
3. 3. The stemming rodwas too short to reach the bottom ofthe well.
   茎杆太短，够不到井底。