stem-clasping

例句：

1. 1. The stem of the plant is tightly clasped by the roots.
   植物的茎被根紧紧夹住。
2. 2. The stem was tightly clenched in her hand.
   她的手指紧紧地握住了茎。
3. 3. The stem was tightly clamped together to prevent it from breaking.
   为了防止茎断裂，它们被紧紧地夹在一起。