中文词源
stratus 层云
来自拉丁语 stratus,展开。用于科学术语指层云。
英语词源
- stratus (n.)
- "a low layer of cloud," 1803, from Latin stratus "a spreading," from noun use of past participle of sternere (see stratum).
权威例句
- 1. The CCN concentration almost do not change with altitudes in stratus cloud over Ningxia area.
- 沙尘天气现象没有明显地增加CCN浓度.