Ceilometer
n. 云幕灯, 云高计
🗣️ 情景例句
It was a pretty dumb thing to do.
做那件事真傻。
Oh no! It's starting to rain.
哦，糟了！开始下雨了！
And anyone who gave more than a passing thought to the bottom confines of the oceans probably assumed that the sea bed was flat.
凡是稍稍想过大海海底的人大概都会认为海底是平坦的。