Vibroseis
震动源, 震动系统
🗣️ 情景例句
How come you speak such good English?
你为什么能说这么好的英语呢？
Knowledge makes humble; ignorance makes proud.
知识令人谦虚；无知使人骄傲。
Inevitably you arrive at your destination almost exhausted.
一旦抵达目的地，你总是疲惫不堪。