Sphere of activity
[法] 活动范围
🧩 词语组成解析
sphere
[sfɪr]
n. 球（体）;（兴趣或活动的）范围;势力范围;天体，如行星或恒星;
vt. 形成球体;包围，围绕;置于球面内部;
spher(ball)+e(名词后缀)→球；球体；天体；范围；地位
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
I'm sure everything is fine.
我确信一切都很好。
It started out to be a beautiful day.
刚开始天气不错。
The airport was built years ago, but for some reason it could not be used then.
机场是许多年前建的，但由于某种原因当时未能启用。