long progressive wave

例句：

1. 1. The long-term trend of global warming is causing sea levels to rise.
   全球变暖的长期趋势正在导致海平面上升。
2. 2. The long-range forecast shows a significant increase in rainfall this month.
   长期预报显示本月降雨量将显著增加。
3. 3. The long-term impact of climate change on the environment is still being studied.
   对环境而言，气候变化的长期影响仍在研究中。