activity cycle的用法和樣例：
例句
- The author of the paper argued that scientific creativity depended on the phase of the solar cycle.
報告人爭辯說，科學創造力依賴於太陽活動周期的相位。 - The sun has a new spot, and it could signal the long-awaited beginning of the next solar cycle.
太陽表面出現一個新的黑子，它可能標誌著人們期待已久的太陽下一輪活動周期的開始。
activity cycle的相關資料：
臨近單詞
activity fad
activity
Activity Balance Line Evaluation
activity of lactate dehydrogenase
activity of extracellular amylase
activity of information retrieval
activity estimation relationships
activity- based cost management
activity based costing management
Activity - Based Costing method
activity of controlling a crowd.
activity of retinal ganglion cells
