Presubscript
[计] 前下标
🗣️ 情景例句
Who's the valedictorian of this class?
谁是班里优秀的毕业生？
Civility costs nothing.
礼貌不须什么代价。
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。