Standing on tiptoe , the boy looked over the wall.那孩子跐着脚望墙外.He discovered that with Miss Daisy Millar there was no great need of walking on tiptoe.他发现,同黛丝·密勒小姐在一起,是无需战战兢兢怀着鬼胎的.She leaned her bike against the stone wall a...
Standing on tiptoe , the boy looked over the wall.那孩子跐着脚望墙外.I stood tiptoe upon a little hill.我踮着脚站在一座小山顶上.She leaned her bike against the stone wall and stood on tiptoe to peer over it.她把自行车斜靠在石墙上，踮起脚往墙内张望。...
The paper first analyzes the earthquake disasters of underground pipelines.在本文中,首先分析了埋地管线的震害特征.Finally, 3 kinds of methods for forecasting mine's fault - type earthquake are recommended.最后提出3种有效的预测该类矿震的方法.People tra...