crest ling

例句：

1. 1. The crestof the mountain is visible from here.
   从这儿可以看到山顶。
2. 2. The crest of thewave is where the wind is strongest.
   波浪的最高点是风力最强的区域。
3. 3. Thecrest of the hill marks the endof the forest.
   山丘的顶端是森林的尽头。