Mauna Loa awoke from a 25 year silence in July 1975, filling its summit - pit crater with lava.莫纳罗亚火山在1975年7月又从沉睡了25年的状态下苏醒过来了, 山顶上的火山口充满了熔岩.They climbed up the mountain and reached the summit.他们爬山, 最终达到了山顶。The blizzard ...
Draw a rough design for a logo...画一个公司标志的草图。...the design of new absorbent materials.新型高吸水性材料的设计The optimum design of the controller of compound active noise cancellation earmuff is discussed.探讨了复合式有源消声耳罩的控制器的优化设计方法.The ...