Nilometer
n. 尼罗河水位测量标尺
🗣️ 情景例句
but there's a letter here addressed to you,
这确实有一封信是寄给你的。
I hope my visit does not cause you too much trouble.
我希望这次来参观没有给你们增添太多的麻烦。
But here we come up against the most difficult of all obstacles to contact with people on other planets ----the astronomical distances which separate us.
然而，在和外星人联系中我们遇到的最大困难是分隔我们的天文距离。