footholds的例句（footholds在句子中的用法）

• A climber needs secure footholds. 攀登的人脚踩的地方要很牢固.
• He climbed the steep cliff by getting footholds in cracks in the rock. 他在岩石缝中找踏脚的地方,慢慢爬上峭壁.
• The mountain climber could not find many footholds on the melting ice. 登山者在融化的冰上找不到多少立足之处.