Experiment materials: jar , windpipe, limewater, flume and the experiment record chart for each group.学生用材料: 广口瓶 、 导气管 、 石灰水、火柴、集气瓶、水槽和小组实验记录表.The following details pertain primarily to the critical - depth flume.下面的详细说明...
The Ellsworth basin lay between the epicontinental basin and the marginal magmatic arc during the Devonian.除了上述两个沉积盆地外,在罗斯海两边却出露了火山岩,说明该地当时处于俯冲带附近的火山弧中.Blooming of Bacteria and Algae: Possible Killer of Devonian Frasnian...
土著人以前总是用沉重的石头把这种金属锤打成箭头.The natives used to hammer the metal into arrowheads using heavy stones.来访者用拳头使劲地锤打着大门.The visitor hammered against the door with his fists.我们用铁锤锤打金属.We hammer metal with a hammer....
Quiet, please , artist in green boots and headband, at work.安静 、 平和, 在工作中穿着绿鞋戴着绿头带的艺术家.Why did you stop wearing the headband last year?问:你去年为什么不再带头箍?Main business singular good special cooler, fashion headband series.主要经...