Velosynthesis
[医] 腭帆缝术, 悬雍垂缝术
🗣️ 情景例句
You'll be fine.
你不会有事的。
How did you get there?
你怎么去的？
A sound made by tapping on the hull of a ship will be reflected from the sea bottom,
敲打船体所发了的声音会从海底传回来，