unabsorbed gases

例句：

1. 1. The engine was running smoothly, but there were still some unabsorbed gases in the exhaust pipe.
   发动机运行平稳，但排气管中仍有一些未吸收的气体。
2. 2.During the test, the team noticed that there were unabsorbed gases in the fuel tank.
   在测试期间，团队注意到燃料箱中有未吸收的气体。
3. 3. The scientist analyzed the data and found that there were unabsorbed gases inthe sample.
   科学家分析了数据，发现样本中有未吸收的气体。