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- Fatty acid is made from spent material in production of ricinus oil by acidification, washing, and vacuum distillation. 蓖麻油下脚料经酸化水洗，减压蒸馏等工序分离制取脂肪酸。
- Had clear purpose and use, had the thematic idea of creation, what to choose to spend material with this decision, had certain limits. 有了明确的目的和用途，就有了创作的主题思想，以此决定选什么花材，就有了一定的范围。
- Be in different area, can according to local season, the choice spends material worthily. 在不同的地区，可以根据当地时令，选择适宜花材。
- She spent an hour in quiet contemplation. 她静静地沉思了一个小时。
- Spent material(input material that can no longer serve its purpose) 用过的原料(投入的原料不再有用)
- They spent their lives in servitude. 他们在奴役下生活。
- The material is flawed throughout. 这种材料到处是裂缝。
- The boys spent the night under canvas. 孩子们在帐篷里过夜。
- I spend most of my time scouting around for book. 我把大部分时间都用来找书了。
- I spent my early childhood in my hometown. 我在故乡度过了自己的孩提时代。
- Money spent on business expenses is deductible. 业务方面的开支是可扣除税款的。
- He insists the condition to use the best material. 他坚持以使用最好的材料为条件。
- We spent every last penny we had on the house. 我们的钱全部用在房子上了。
- That material surpasses all others in fineness. 那种材料精良超过其他所有材料。
- A large proportion of my time is spent in studying. 我的大部分时间花在学习上。
- The problem is how we are to get the raw material. 问题是我们怎样得到原材料。
- I spent some time in working over these books. 我花了一些时间去好好研究这些书籍。
- Jim is going to get material for a new book. 吉姆正打算为一部新书准备材料。
- I spent what little time I had with my family. 我仅有的那一点时间都与家人在一起度过了。
- The storm did a great deal of material damage. 暴风雨造成了大量物质损失。
