Tachygraphometer
供测量用的带照准仪的速测仪
🗣️ 情景例句
Well, wouldn't you know it?
嘿，你想知道这么件事吗？
What is happening over there?
那里发生什么事情？
Oh, good! He's coming down the ladder, now.
噢，好！现在他正从梯子上爬下来。