shoulder belay

例句：

1. 1. Before climbing, make sure to shoulder belay and secure the ropes.
   在攀爬之前，确保安全带好并系紧绳索。
2. 2. The climber carefully shouldered belay before starting their ascent.
   攀岩者在开始攀登前小心翼翼地系好了安全带。
3. 3. The guide instructed everyone to shoulder belay before proceeding with the hike.
   导游指示每个人在继续徒步旅行前都要系好安全带。