Backsight
n. 后视, 表尺缺口
🗣️ 情景例句
Isn't that right?
对不对？
Don't give up.
别放弃。
But the historian attempting to reconstruct the distant past is always faced with a difficult task.
但是，历史学家企图重现遥远的过去可是一项艰巨的任务，