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- Effects of different species and tree age of fast-growing poplar on the APMP properties were investigated. 研究了不同品种、树龄的三倍体毛白杨和中林杨 1 0 7速生杨为原料的APMP制浆性能。
- The compromise between pulpwood production and the pulp properties was discussed based on the study of the influence of the tree age of Masson Pine on the pulp properties. 在试验分析的基础上，探讨了马尾松不同树龄与制浆特性间的关系，对木材原料与造纸性状间的较佳组合问题进行了分析，为马尾松造纸材的培育提供了重要的依据。
- But thing malapropos, two tea plantation that they contract are to have 30 years of above the old tea garden of tree age, tea tree ageing, the big tea plantation that and be others contracts expires. 可事不凑巧，他们承包的两个茶场都是有30年以上树龄的老茶园，茶树老化，并且都是别人承包到期的大茶场。
- The average age of the boys in this class is fifteen. 本班男生的平均年龄是十五岁。
- I don't think he looks his age of seventy. 我感到他看起来不像70岁的人。
- B. H and height per year are over 2.5 cm and 1.3 m at abotit10-year-old, with the age of tree increasing 10 year, the D,B,H per year will diminish 0.3 cm,but the heightper year is still 1.0m. 通过1047株毛白杨优树生长量的分析，得出了选优的绝对值标准如下：10年生左右时，年均胸径生长量2.;5cm以上，年均树高1
- They built a primitive shelter out of tree trunks. 他们用一些树干建造了一个简陋的棚子。
- What kind of/sort of tree is that? 那是什麽树?
- The age of majority is eighteen. 成年的法定年龄是18岁。
- He ran away from home at the age of thirteen. 他十三岁那年就离家出走了。
- At the age of thirty, Mary began to lose colour. 玛丽在30岁的年纪就红颜渐逝了。
- She was orphaned at the age of ten. 她在十岁时成为孤儿。
- My father retired at the age of 60. 我父亲六十岁时退休了。
- My grandmother got married at the age of seventeen. 我的祖母十七岁就结婚了。
- We made camp under the shade of trees. 我们在树荫下宿营。
- He was already balding at the age of 25. 他25岁就秃顶了。
- A row of trees screened our view. 一排树木挡住了我们的视线。
- Cole popped off at the age of twenty. 科尔在二十岁时突然死去。
- A screen of tree hide the villa from the beach. 这些别墅有树木遮掩从海滩上是看不见的。
- He lived to be [to the age of]80. 他一直活到了80岁。
