1. be downgraded to 降級為……
Durian has been downgraded to a tropical storm and is heading west across the Gulf of Thailand.
榴蓮已經降級為熱帶風暴，正穿過泰國灣向西移動mL|@j#V&ZdI~3。

2. sustained winds 持續風力
Forecasters said Gustav was moving faster than expected as it marched toward the coast with top sustained winds of around 115 mph.
天氣預報說，“古斯塔夫”向沿岸移動的速度要比預計的快，最高持續風力達到每小時115英里左右6gOBMddK_tNNFt)rWD。

3. be expected to do sth. 原以為
The little girl was expected to be dead , but she was rescued by someone actually.
人們原以為那個小女孩已經死了，但是實際上她獲救了yk8[.FfRK+=89。

4. in effect 生效
Currently evacuation order is not in effect for New Orleans.
目前，疏散令在新奧爾良尚未生效h)squqC@&b。