核心词议：
n. 平流层，同温层；最上层；最高阶段
stratosphere 基本解释
n. [气]平流层，同温层；最上层，最高栏；艰深的学科领域
速记方法
速记技巧 词根词缀法 stratosphere相关的词根或词缀是:
strat
stratosphere同温层n.
strato 扩散；层 + spher 球 + e → 地球表面的一层 → 同温层
知识扩展
stratosphere 记忆方法
stratosphere相关的词根或词缀是:
strat
stratosphere同温层n.
strato 扩散；层 + spher 球 + e → 地球表面的一层 → 同温层
中文词源： stratosphere 平流层 来自拉丁语 stratus,展开，铺开，-sphere,球，层，词源同 atmosphere. stratosphere
精选例句
1、 The concept of releasing aerosol sprays into the stratosphere above the Arctic has been proposed by several scientists.
一些科学家提出了向北极平流层释放气溶胶喷剂的概念。
常见考点例句：
- Aircraft engines are optimised for level flight at cruising speed in the stratosphere .
- 飞机在平流层以巡航速度水平飞行时，其发动机将得到优化。
- Lufthansa wanted to know which fish eggs hold their character best in the stratosphere .
- 汉莎航空公司本来希望能弄清楚哪种鱼子能在平流层中最好地保留原有的味道。
- One towering cloud reached into the stratosphere between 10 and 15 kilometers in altitude .
- 一团堆起的云层达到了同温层海拔10到15千米处。
- Injecting aerosols into the stratosphere or brightening clouds would do more than just cool the planet .
- 将悬浮粒子注入平流层，或是云层亮化方案都不仅仅是对地球降温。
- Baumgartner was in the stratosphere , which extends from about 12 to 31 miles above the earth .
- 鲍姆加特纳在平流层，那是在地表之上12~31英里的距离。
