Radius of action
[化] 活动半径
🧩 词语组成解析
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];
action
['ækʃən]
n. 行动，活动;功能，作用;手段;[法]诉讼;
🗣️ 情景例句
Look at those funny-looking clowns.
你看那些滑稽的小丑。
Is the departure time on schedule?
起飞时间准时吗？
After the train had left the station, the lady opened her handbag and took to her power compact.
火车开出车站后，那位妇女找开了手提包，拿出了粉盒。