The town has developed around numerous knolls and valleys .
这个镇围绕无数的山丘和山谷。
Beautiful scenery knolls , elfin wood , pitted valleys resembling the surface of the moon .
美丽的景色：小山、矮曲林、坑坑洼洼的山谷像月球的表面。
Finding teachers fluent in mandarin and interested in the educational techniques presidio knolls wants to use has been a challenge .
想要找到一位中文流利且对普利西学校希望采用的教学方法感兴趣的老师并不容易。
As at many chinese-immersion schools , the students at presidio knolls don 't necessarily come from families of chinese backgrounds .
和很多开展浸泡式中文教学的学校一样，普利西学校的学生并不一定来自具有中国背景的家庭。
Fertilizer is applied into dry soil in random amounts , and irrigation water is applied to unevenly leveled fields , resulting in a sequence of ponding and dry knolls .
