arclike
美
英 
例句
dominant amplitude arclike reflection seismic facies mainly reflect overflowing facies volcanic rock;
强振幅弧状反射地震相主要反映溢流相火山岩;
Swing usually applies to arclike movement of something attached at one extremity and free at the other:
通常指一端固定另一端悬空的物体作弧形的运动: