half stem-clasping

例句：

1. 1. The plant's ability to half stem-clasp is a key factor in its survival.
   这种植物能够半茎扣合的能力是其生存的关键因素。
2. 2. During the breeding process, the male and female plants must half stem-clasp to ensure successful fertilization.
   在繁殖过程中，雄性和雌性植物必须半茎扣合以确保成功受精。
3. 3. The scientist discovered that the plant's half stem-clasping mechanism is crucial for its survival.
   科学家发现，这种植物的半茎扣合机制对其生存至关重要。