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- twenty four hour orbit 二十四小时轨道
- Twenty four hour urine samples were collected for measuring daily excretions of calcium, oxalate, cirtate, inorganic phosphates and creatinine. 每日记录饲料量、饮水量，并收集24小时尿液，测量尿量，酸碱值，钜，磷，草酸，柠檬酸，肌氨酸酐。
- It enables you to draw money from any of our machines across the country,twenty four hours a day. 有了这张卡，你全日二十四小时都可在全国任何柜员机提款。
- It enables you to draw money from any of our machines across the country, twenty four hours a day. 有了这张卡，你全日二十四小时都可在全国任何柜员机提款。
- This alloy is a bit tricky as it sometimes may harden in the first twenty four hours after casting, becoming almost brittle, and produce cracks in the grid frames, etc. 这种合金制造有些棘手，因为有时铸造后24小时内硬化，几乎变得很脆，在板栅框等处产生裂痕。
- A central figure in the bail system is the professional bondsman, whose services are available twenty four hours a day to those who need to produce sufficient cash to be released. 保释制度的中心人物是职业保人，他们全天24小时向那些需要提供充足的现金以获释的人提供服务。
- Flimsy, improbable machines that can monitor the ground by day and night, eavesdrop on phonecalls, fire missiles and stay aloft for almost twenty four hours. 这些奇异的轻薄飞机可以昼夜监控地面活动、窃听电话、发射导弹并可以待在高空大约二十四小时。
- Torres: I must admit there are days when you would like to relax a bit, but he is very a methodical coach who lives and breathes football twenty four hours a day. 托雷斯：我承认训练时确实有希望轻松一些的想法，但他是一名思路清晰的教练，一天24小时他的生活与呼吸都离不开足球。
- Density changes of renascent blood vessels after splenic autotransplantationwere studied under light microscope and through computer image analysisqualification twenty four hours after the perfusion of chinese ink into aorta. （2）经大鼠左心室行主动脉插管灌注墨汁混悬液，取移植脾组织光镜观测并采用图象分析测定血管密度，观察自体移植脾组织血管再生情况；
- urinary volume for twenty four hours 昼夜尿量
- Give me twenty four hundreds and nine tens. 给我24张100元的和9张10元的。
- There are twenty four pupils in the classroom. 教室里有24个学生。
- He finally break down under the four hour's strain. 在四小时的压力下他终于支持不了。
- The meeting dragged on for nearly four hours. 会议单调乏味地持续了近4个小时。
- Twenty-one dollars for a compact,and twenty four for a mid-size. 小型车是21美元，中型车是24美元。
- Twenty four for day and night, some for darkness, some for light. 白昼、黑夜共有二十四小时，有时黑暗，有时明亮。
- Take this medicine every fours hour and stay in bed for two day. 每隔四小时服用这些药，卧床休息两天。
- Twenty-one dollars for a compact, and twenty four for a mid-size. 小型车是21美元，中型车是24美元。
- Twenty four days from now the American dream is on the ballot. 现在距离大选仅剩二十四天了，美国的梦想取决于投票结果。
- I don' t need twenty? four hours. 我不需要二十四小时！
