Planting Trees
It was fine on March 12 , 2012 . I got up early that day . All the students in our school went to the hill to plant trees .
We arrived at the hill at eight oclock . The teacher asked each of us to plant at least six trees . Then we started digging , planting and watering . We all worked so hard that we could finish our tasks ahead of tim e . Among us , Wang Lin , our monitor set a good example for us . Though he was ill , he worked harder . When he finished his task , he went on to help others without even a little rest . He was wet all over after work . I must learn from him , I said to myself . Looking at the lines of the young trees , we smiled happily , forgetting our tiredness .
雅思分类词汇:流体设备-管道用螺纹
雅思分类词汇:流体设备-非金属材料
雅思分类词汇:流体设备-材料性能
雅思分类词汇:流体设备-有色金属
雅思分类词汇:流体设备-弯管
雅思分类词汇:资源环境-能源利用
雅思分类词汇:资源环境-聚合物废物
雅思分类词汇:流体设备-管道特殊元件
雅思分类词汇:资源环境-与环境有关的疾病
雅思分类词汇:资源环境-污染
雅思分类词汇:资源环境-社区改善计划
雅思分类词汇:资源环境-采矿地质学
雅思词汇:留学生活常用词汇(4)
雅思分类词汇:资源环境-运输
雅思分类词汇:流体设备-填料及填料函
雅思分类词汇:流体设备-图面标注
雅思分类词汇:流体设备-材料统计
雅思分类词汇:流体设备-未指明结构(或阀型)的阀
雅思分类词汇:流体设备-管道材料规定
雅思分类词汇:流体设备-垫片
雅思分类词汇:流体设备-管道布置
雅思分类词汇:资源环境-建筑结构
雅思分类词汇:流体设备-生产用房
雅思分类词汇:流体设备-厂房、站、单元
雅思词汇:留学生活常用词汇(1)
雅思分类词汇:流体设备-生活用房、图名
雅思分类词汇:流体设备-黑色金属
雅思分类词汇:流体设备-设备布置
雅思分类词汇:资源环境-人体健康
雅思分类词汇:资源环境-污染源
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