Cephaloscope
头听诊器
🗣️ 情景例句
Do you want a flat-panel display?
你想要一个液晶显示器吗？
He speaks English fluently.
他讲英语很流利。
Byrd now knew that he would be able to reach the South Pole which was 300 miles away, for there were no more mountains in sight.
伯德这时知道他能够顺利飞抵300英里以外的南极了，因为前面再没有山了。