translate：“the arm of a record player”
问题描述：
translate：“the arm of a record player”
“the arm of a record player”
“there is a 15-foot arm supporting the antenna”
答
the arm of a record player”
电唱机的磁头臂
“there is a 15-foot arm supporting the antenna”
这里有15英尺长的支持天线的臂.