horizon a中文什么意思

a层

• horizon:    n. 1.地平；地平线；地平圈。 2 ...
• a horizon:    a层,淋浴层; 表土层; 层位; 腐 ...
• a horizon a:    层, 淋溶层, 表土层

例句与用法

1. Fortunately for me , as i was wondering what to do next , there appeared on the horizon a man on horseback , riding in my direction .
   对我来说幸运的是，正当我不知道下一步该怎么办时，视线的尽头出现了一个骑马的人，正向我走来。
2. We thought we ' d expand our horizons a little bit
   我们想开阔下我们的视野
3. Fortunately for me , as i was wondering what to do next , there appeared on the horizon a man on horseback , riding in my direction
   不过，我是幸运的，正当我走投无路之时，从天边出现一个骑马的人向我骑来。
4. The album remains an acquired taste but it does contain a broad appeal for anyone willing to expand their musical horizons a little bit to a global stage
   这张专辑保持了都市曲风原本的风格，但是确实，任何希望拓宽他们音乐边界而加入一些来自世界舞台元素的听众，也能从这张专辑所包含的大量内容中得到满足。
5. Soil ph value ranged from 6 . 0 to 7 . 2 , the ph value had no markedly difference among the three horizons in each plot , and so did that among seven types of forest . the organic matter content in horizon a of plot g2 ( coniferous forest ) was the highest ( 193 . 03a kg - 1 ) in seven plots and the lowest one was in plot g3
   另外，在3个固定样地内( g _ 1 、 g _ 2 、 g _ 3 ) ，通过埋袋试验，研究了白桦枝条、白桦凋落叶、岷江冷杉凋落叶等3类典型凋落物在3个不同埋藏深度土壤中的分解。