tree-trunk中文什么意思

例句与用法

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1. The tourists have been picking leaves and cutting their names on the tree-trunk .
   游客们不断地采摘树叶，把名字刻在树干上。
2. The diameter of the tree - trunk is about 2 meters
   这树干的直径大约是2米。
3. I left him yonder in the forest , withdrawn into a secret dell , by a mossy tree - trunk , and near a melancholy brook
   我把他留在那边那座林子里了，他退缩到一个秘密的山谷里，离一条忧郁的小溪不远，就在一棵长满青苔的树干旁边！
4. After switching on powerful arc lights , they saw great stalagmites - - some of them over forty feet high - - rising up like tree - trunks to meet the stalactites suspended from the roof
   他们打开强力弧光灯，看见一株株巨大的石笋，有的高达40英尺，象树干似的向上长着，与洞顶悬挂下来的钟乳石相接。
5. This paper presents our global approach to model tree - trunk scattering at vhf / uhf . in this approach , we consider plane wave scattering ( in time domain ) from the tree trunks above the soil
   在vhf uhf低频段，由于树冠对入射脉冲波近似“透明” ，因此树散射的物理模型被简化为树干散射的物理模型。