您要查找的是不是：
- the period of algae production 产生周期
- Let us hope that the period of this injustice will be over soon. 让我们希望这个不公正的时期很快结束吧。
- The period of adolescence is very important in forming one's character. 青春期对人的性格形成是非常重要的。
- The period of exercise was geared down to ten minutes a day for men over 60. 60岁以上的人的锻炼时间减低到每日十分钟。
- The industry is in the period of recession. 工业正处于衰退时期。
- The period of waiting was not limitless. 等待的时候不会是没有尽头的。
- Defines the period of daylight-saving time. 定义夏时制周期。
- Shorten the period of schooling. 缩短学制。
- The period of greatest risk was over. 最危险的时刻已经过去。
- The period of highest development; the peak. 颠峰，盛年最高程度的发展时期；鼎盛期
- The period of the highest density index is August. 在5-10月间8月蝇的密度指数为最高。
- The period of service of a minister. 牧师任期充当牧师的时限
- The period of time granted by such permission. 批准的假期通过这样的许可而得到的一段时间
- ExxonMobil will provide engineering and scientific talent throughout different phases of the project, from increasing the level of algae production to manufacturing the final product. 埃克森美孚公司将提供工程和科学人才各地不同阶段的项目，从提高生产水平的藻类生产的最终产品。
- What is the period of validity of this L/C? 这张信用证的有效期是多久?
- This is the period of revulsion. 这是剧变的一段时期。
- The period of validity is one year. 此卡有效期为一年。
- Occurring during the period of winter. 整个冬天里发生的
- Handling will extend the period of adjustment. 把玩它只会延长调整适应的时间。
- The period of the winter solstice, about December22. 冬至冬季的至点，大约在12月22日
