您要查找的是不是：
- A hermit used to live in the cave. 一位隐士曾经住在那个山洞里。
- We kindled a firebrand in the cave. 我们在山洞里点燃火把。
- A mouse ran out from the dark orifice of the cave. 一只老鼠从黑暗的洞口跑出。
- Do some fertilization for the garden! 给花园施些肥料吧！
- Seen from within, the cave looked larger. 从内部看，那个地洞显得更大。
- The dark, dank cave gave me the willies. 这阴暗潮湿的山洞使我感到心惊肉跳。
- There is a bear in the inmost recesses of the cave. 洞穴的最深处有只狗熊。
- Where's the entrance to the cave? 这个洞穴的入口在哪里?
- A massive boulder blocked the entrance of the cave. 一块巨大的圆石堵住了山洞的入口。
- They went to the cave in quest of hidden treasure. 他们到山洞去寻找宝藏。
- The enemy had to cave in and surrender. 敌人只好屈服投降。
- The entry of the cave was hidden by trees. 洞穴的入口被树丛遮掩。
- A big rock blocked the mouth of the cave. 一块大石头堵住了洞口。
- The boys huddled together in the cave to keep warm. 男孩子们在山洞里挤成一团取暖。
- A small cave was the only refuge from the cold. 小洞穴是唯一的避寒处。
- This cave was used by smugglersin the eighteenth century. 这个洞穴是十八世纪走私的人使用的。
- Gestation extends from fertilization to birth. 妊娠期系指从配种到分娩之间的时间。
- The roof is dangerous and could cave in at any time. 屋顶很危险，任何时候都会坍塌。
- fertilization cave 施肥穴
- The product of fertilization is the zygote. 受精的产物是杂合子。
