Share prices of salmon firms have surged amid worries over supply; prices are expected to stay buoyant in the short-term.

在人们担忧三文鱼的供应问题时，三文鱼公司的股价大幅上升。预计短期内三文鱼价格将持续上涨。

So they lost the gas-filled chambers that had kept them afloat, and developed new ways to stay buoyant, and new, faster forms of jet propulsion to get around.

因此， 他们失去了让他们漂浮的充气室，并开发了保持浮力的新方法，以及新的、更快的喷气推进形式来四处走动。