Servomanometer
伺服压力计; 伺服压力计
🗣️ 情景例句
why you have so many problems with math.
为什么你在数学方面有那么多问题。
He stole my purse!
他偷了我的手袋！
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。