frozen and thaw的用法和樣例：
例句
- The products belong to microbial agents, to room temperature preservation, no repeated freezing and thawing.
本產品屬於微生物製劑，需常溫保存，嚴禁反覆凍融。 - The result shows that the strength of rock evidently reduces with the increase of number of freezing and thawing cycle.
此外也分析了岩石邊坡侵蝕過程的機理及影響因素，隨著凍融次數的增加，岩石的抗壓強度顯著降低。
